TS-2D3.7.A
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creation date: 2025-12-10T06:39:13-05:00
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BVY 12-055, Technical Specifications Proposed Change 297, Supplement 1, Response to Request for Additional Information
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BVY 11-008, Technical Specifications Proposed Change No. 290 Administrative Changes - Supplement 1
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BVY 09-012, Submittal of Proposed License Amendment for Technical Specifications No. 282, Revision of Drywell Vacuum Breaker Surveillance Requirements
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IR 05000237/1986028
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page: https://kanterella.com/IR_05000237/1986028
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TS: TS-3.7.A
wiki page sort key: IR 05000237/1986028

IR 05000331/1997010
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page: https://kanterella.com/IR_05000331/1997010
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TS: TS-3.7.A
wiki page sort key: IR 05000331/1997010

ML20210A304
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TS: TS-3.7.A
wiki page sort key: ML20210A304

ML20206Q457
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page: https://kanterella.com/ML20206Q457
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TS: TS-3.7.A
wiki page sort key: ML20206Q457

B17621, Application for Amend to License DPR-21,reflecting Permanently Defueled Condition of Unit 1,Tech Specs Administrative Controls Section as Allowed by Guidance Contained in NRC Administrative Ltr 95-06
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page: https://kanterella.com/B17621-2C_Application_for_Amend_to_License_DPR-2D21-2Creflecting_Permanently_Defueled_Condition_of_Unit_1-2CTech_Specs_Administrative_Controls_Section_as_Allowed_by_Guidance_Con…
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TS: TS-3.7.A
wiki page sort key: B17621, Application for Amend to License DPR-21,reflecting Permanently Defueled Condition of Unit 1,Tech Specs Administrative Controls Section as Allowed by Guidance Contained in NRC Administrative Ltr 95-06

B16432, Provides NRC Current Position Re Unit 1 Purge/Vent Valves Resilient Seal Matl Replacement Time Interval as Discussed in TMI Action Item II.E.4.2
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page: https://kanterella.com/B16432-2C_Provides_NRC_Current_Position_Re_Unit_1_Purge/Vent_Valves_Resilient_Seal_Matl_Replacement_Time_Interval_as_Discussed_in_TMI_Action_Item_II.E.4.2
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TS: TS-3.7.A
wiki page sort key: B16432, Provides NRC Current Position Re Unit 1 Purge/Vent Valves Resilient Seal Matl Replacement Time Interval as Discussed in TMI Action Item II.E.4.2

ML20149E893
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page: https://kanterella.com/ML20149E893
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TS: TS-3.7.A
wiki page sort key: ML20149E893

A04692, Responds to 850225 Request for Addl Info Re Containment Isolation Dependability & Containment Purge & Vent Valves. Schedule for Implementation of Necessary Mods Presented
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page: https://kanterella.com/A04692-2C_Responds_to_850225_Request_for_Addl_Info_Re_Containment_Isolation_Dependability_-26_Containment_Purge_-26_Vent_Valves._Schedule_for_Implementation_of_Necessary_Mods_Pr…
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TS: TS-3.7.A
wiki page sort key: A04692, Responds to 850225 Request for Addl Info Re Containment Isolation Dependability & Containment Purge & Vent Valves. Schedule for Implementation of Necessary Mods Presented

ML20214S905
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TS: TS-3.7.A
wiki page sort key: ML20214S905

BVY-97-117, Responds to NRC Re Violations Noted in Insp Rept 50-271/97-05.Corrective Actions:Troubleshooting Activities Conducted & No Significant Primary Containment Air Leaks Located
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page: https://kanterella.com/BVY-2D97-2D117-2C_Responds_to_NRC_Re_Violations_Noted_in_Insp_Rept_50-2D271/97-2D05.Corrective_Actions-3ATroubleshooting_Activities_Conducted_-26_No_Significant_Primary_Containm…
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wiki page sort key: BVY-97-117, Responds to NRC Re Violations Noted in Insp Rept 50-271/97-05.Corrective Actions:Troubleshooting Activities Conducted & No Significant Primary Containment Air Leaks Located

BVY-98-165, TS Proposed Change 210 to License DPR-28,resolving Emergent Concern Re Potential Operation Outside of LCO Contained in Current TS & Hence,Potential USQ with Respect to Opening of Manual PCIVs During Plant Operation.Change 209,withdrawn
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page: https://kanterella.com/BVY-2D98-2D165-2C_TS_Proposed_Change_210_to_License_DPR-2D28-2Cresolving_Emergent_Concern_Re_Potential_Operation_Outside_of_LCO_Contained_in_Current_TS_-26_Hence-2CPotential_USQ…
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TS: TS-3.7.A
wiki page sort key: BVY-98-165, TS Proposed Change 210 to License DPR-28,resolving Emergent Concern Re Potential Operation Outside of LCO Contained in Current TS & Hence,Potential USQ with Respect to Opening of Manual PCIVs During Plant Operation.Change 209,withdrawn

BVY-98-162, TS Proposed Change 209 to License DPR-28,resolving Emergent Concern Re Potential Operation Outside of LCO Contained in Current TS & Hence,Potential USQ with Respect to Opening of Manual PCIVs During Plant Operation
type: Subject
page: https://kanterella.com/BVY-2D98-2D162-2C_TS_Proposed_Change_209_to_License_DPR-2D28-2Cresolving_Emergent_Concern_Re_Potential_Operation_Outside_of_LCO_Contained_in_Current_TS_-26_Hence-2CPotential_USQ…
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TS: TS-3.7.A
wiki page sort key: BVY-98-162, TS Proposed Change 209 to License DPR-28,resolving Emergent Concern Re Potential Operation Outside of LCO Contained in Current TS & Hence,Potential USQ with Respect to Opening of Manual PCIVs During Plant Operation

BECO-85-136, Provides Info Re Means to Depressurize During Extended Period Assuming DHR Impaired,Per NUREG-0737,Item II.K.3.28. Long Term post-accident Operability of Automatic Depressurization Sys Pneumatic Supply Necessary
type: Subject
page: https://kanterella.com/BECO-2D85-2D136-2C_Provides_Info_Re_Means_to_Depressurize_During_Extended_Period_Assuming_DHR_Impaired-2CPer_NUREG-2D0737-2CItem_II.K.3.28._Long_Term_post-2Daccident_Operability…
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wiki page sort key: BECO-85-136, Provides Info Re Means to Depressurize During Extended Period Assuming DHR Impaired,Per NUREG-0737,Item II.K.3.28. Long Term post-accident Operability of Automatic Depressurization Sys Pneumatic Supply Necessary

B11512, Application for Amend to License DPR-21,revising Tech Specs 3.7.A.2.a & 3.7.A.6 Re drywell-to-suppression Chamber Differential Pressure & Drywell Oxygen Concentration, Respectively,To Allow for Up to 48 H Nonmaint.Fee Paid
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page: https://kanterella.com/B11512-2C_Application_for_Amend_to_License_DPR-2D21-2Crevising_Tech_Specs_3.7.A.2.a_-26_3.7.A.6_Re_drywell-2Dto-2Dsuppression_Chamber_Differential_Pressure_-26_Drywell_Oxygen_Co…
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TS: TS-3.7.A
wiki page sort key: B11512, Application for Amend to License DPR-21,revising Tech Specs 3.7.A.2.a & 3.7.A.6 Re drywell-to-suppression Chamber Differential Pressure & Drywell Oxygen Concentration, Respectively,To Allow for Up to 48 H Nonmaint.Fee Paid

FVY-84-128, Forwards Results of Detailed Engineering Evaluation of Potential Oxygen Addition to Primary Containment Conducted to Satisfy Criteria of Generic Ltr 84-09.Hydrogen Recombiner Capability Not Necessary
type: Subject
page: https://kanterella.com/FVY-2D84-2D128-2C_Forwards_Results_of_Detailed_Engineering_Evaluation_of_Potential_Oxygen_Addition_to_Primary_Containment_Conducted_to_Satisfy_Criteria_of_Generic_Ltr_84-2D09.Hy…
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TS: TS-3.7.A
wiki page sort key: FVY-84-128, Forwards Results of Detailed Engineering Evaluation of Potential Oxygen Addition to Primary Containment Conducted to Satisfy Criteria of Generic Ltr 84-09.Hydrogen Recombiner Capability Not Necessary

NLS8400137, Application to Amend License DPR-46,consisting of Proposed Change 13,revising Tech Specs to Incorporate Mark I Containment Mods,Per NRC 840120 Request.Class III Amend Fee Encl
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page: https://kanterella.com/NLS8400137-2C_Application_to_Amend_License_DPR-2D46-2Cconsisting_of_Proposed_Change_13-2Crevising_Tech_Specs_to_Incorporate_Mark_I_Containment_Mods-2CPer_NRC_840120_Request.Clas…
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TS: TS-3.7.A
wiki page sort key: NLS8400137, Application to Amend License DPR-46,consisting of Proposed Change 13,revising Tech Specs to Incorporate Mark I Containment Mods,Per NRC 840120 Request.Class III Amend Fee Encl

JPN-91-014, Forwards Response to NRC 900918 Request for Addl Info Re 900530 Application for Amend to License DPR-59,changing Tech Specs to Reflect Installation of New Reg Guide 1.97 post-accident Monitoring Instruments
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page: https://kanterella.com/JPN-2D91-2D014-2C_Forwards_Response_to_NRC_900918_Request_for_Addl_Info_Re_900530_Application_for_Amend_to_License_DPR-2D59-2Cchanging_Tech_Specs_to_Reflect_Installation_of_New_…
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TS: TS-3.7.A
wiki page sort key: JPN-91-014, Forwards Response to NRC 900918 Request for Addl Info Re 900530 Application for Amend to License DPR-59,changing Tech Specs to Reflect Installation of New Reg Guide 1.97 post-accident Monitoring Instruments

Station Blackout Rule Conducted,Per NUMARC-87-00.Util Selects Diesel Generator Target of 0.975 & Station Blackout Coping Duration of 4 H to Implement Rule
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label: BECO-90-106, Responds to 900103 Request for Confirmation That Evaluations of Compliance W/Station Blackout Rule Conducted,Per NUMARC-87-00.Util Selects Diesel Generator Target of 0.975 & Station Blackout Coping Duration of 4 H to Implement Rule
page: https://kanterella.com/BECO-2D90-2D106-2C_Responds_to_900103_Request_for_Confirmation_That_Evaluations_of_Compliance_W/Station_Blackout_Rule_Conducted-2CPer_NUMARC-2D87-2D00.Util_Selects_Diesel_Genera…
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wiki page sort key: BECO-90-106, Responds to 900103 Request for Confirmation That Evaluations of Compliance W/Station Blackout Rule Conducted,Per NUMARC-87-00.Util Selects Diesel Generator Target of 0.975 & Station Blackout Coping Duration of 4 H to Implement Rule

IR 05000271/1993026
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page: https://kanterella.com/IR_05000271/1993026
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TS: TS-3.7.A
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IR 05000293/1990020
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page: https://kanterella.com/IR_05000293/1990020
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TS: TS-3.7.A
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ML23151A552
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TS: TS-3.7.A
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BECO-LTR-97-107, Application for Emergency Amend to License DPR-35,changing TS 3.7.A.5 as Pertains to Periodic Surveillance Testing of Check Valve 30-CK-432.Exemption from LCO Footnote Provides Would Expire When Testing Is Performed
type: Subject
page: https://kanterella.com/BECO-2DLTR-2D97-2D107-2C_Application_for_Emergency_Amend_to_License_DPR-2D35-2Cchanging_TS_3.7.A.5_as_Pertains_to_Periodic_Surveillance_Testing_of_Check_Valve_30-2DCK-2D432.Exem…
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TS: TS-3.7.A
wiki page sort key: BECO-LTR-97-107, Application for Emergency Amend to License DPR-35,changing TS 3.7.A.5 as Pertains to Periodic Surveillance Testing of Check Valve 30-CK-432.Exemption from LCO Footnote Provides Would Expire When Testing Is Performed

NG-93-1842, Forwards Description of Basis for Enforcement Discretion & Temporary Request for Exemption from 10CFR50,App J Leakage Testing Requirements for Primary Containment Airlock
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page: https://kanterella.com/NG-2D93-2D1842-2C_Forwards_Description_of_Basis_for_Enforcement_Discretion_-26_Temporary_Request_for_Exemption_from_10CFR50-2CApp_J_Leakage_Testing_Requirements_for_Primary_Cont…
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TS: TS-3.7.A
wiki page sort key: NG-93-1842, Forwards Description of Basis for Enforcement Discretion & Temporary Request for Exemption from 10CFR50,App J Leakage Testing Requirements for Primary Containment Airlock

IR 05000254/1986015
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page: https://kanterella.com/IR_05000254/1986015
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000254/1986015

IR 05000293/2017001
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wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000293/2017001

ML042780535
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ML20084S503
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ML20045E728
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ML20127E722
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BVY 08-076, Revision of Technical Specification Bases Pages
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ML18037A867
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ML20003F423
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IR 05000333/1988017
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wiki page sort key: IR 05000333/1988017

ML20090E475
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wiki page sort key: ML20090E475

ML023300295
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wiki page sort key: ML023300295

IR 05000293/2017009
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wiki page sort key: IR 05000293/2017009

ML091030146
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ML112380516
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wiki page sort key: ML112380516

ML20086L410
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wiki page sort key: ML20086L410

ML20118B926
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ML20084P954
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wiki page sort key: ML20084P954

ML20084P900
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ML20084K044
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wiki page sort key: ML20084K044

ML20217C449
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IR 05000271/1996011
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ML20151M789
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ML20127L539
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wiki page sort key: ML20127L539

ML20127M426
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05000277/LER-1982-027, Forwards LER 82-027/01T-0.Detailed Event Analysis Encl
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page: https://kanterella.com/05000277/LER-2D1982-2D027-2C_Forwards_LER_82-2D027/01T-2D0.Detailed_Event_Analysis_Encl
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ML20204E077
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ML20064K055
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ML20206H377
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ML20236A036
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TS: TS-3.7.A
wiki page sort key: ML20236A036

ML130090215
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TS: TS-3.7.A
wiki page sort key: ML130090215

ML20141A259
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wiki page sort key: ML20141A259

ML030970705
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page: https://kanterella.com/ML030970705
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TS: TS-3.7.A
wiki page sort key: ML030970705

B12478, Proposed Tech Spec 3.7.A.5.c Re Containment Sys Oxygen Concentration,Replacing Phrase Important to Safety W/ Necessary to Ensure Safe Plant Operation to Eliminate Ambiguities
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page: https://kanterella.com/B12478-2C_Proposed_Tech_Spec_3.7.A.5.c_Re_Containment_Sys_Oxygen_Concentration-2CReplacing_Phrase_Important_to_Safety_W/_Necessary_to_Ensure_Safe_Plant_Operation_to_Eliminate_Am…
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05000265/LER-1995-001, Informs of Commitments Being Made by Ltr Re Suppl Info Concerning LER 95-001
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page: https://kanterella.com/05000265/LER-2D1995-2D001-2C_Informs_of_Commitments_Being_Made_by_Ltr_Re_Suppl_Info_Concerning_LER_95-2D001
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wiki page sort key: 05000265/LER-1995-001, Informs of Commitments Being Made by Ltr Re Suppl Info Concerning LER 95-001

ML022680740
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TS: TS-3.7.A
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Lineup List & Procedures Reviewed for Control of Plant Status
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label: JAFP-82-0543, Responds to NRC Re Violations Noted in IE Insp Rept 50-333/82-01.Corrective Actions:Valves 250C & BAS-4 Repositioned to Agree W/Lineup List & Procedures Reviewed for Control of Plant Status
page: https://kanterella.com/JAFP-2D82-2D0543-2C_Responds_to_NRC_Re_Violations_Noted_in_IE_Insp_Rept_50-2D333/82-2D01.Corrective_Actions-3AValves_250C_-26_BAS-2D4_Repositioned_to_Agree_W/Lineup_List_-26_Pro…
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wiki page sort key: JAFP-82-0543, Responds to NRC Re Violations Noted in IE Insp Rept 50-333/82-01.Corrective Actions:Valves 250C & BAS-4 Repositioned to Agree W/Lineup List & Procedures Reviewed for Control of Plant Status

ML20141H702
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TS: TS-3.7.A
wiki page sort key: ML20141H702

ML20138H366
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ML042940080
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wiki page sort key: ML042940080

ML20080Q261
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TS: TS-3.7.A
wiki page sort key: ML20080Q261

ML20070M660
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page: https://kanterella.com/ML20070M660
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TS: TS-3.7.A
wiki page sort key: ML20070M660

05000293/LER-1989-014, :on 890412,inadvertent Overpressurization of RCIC Suction Piping Occurred During Surveillance Testing. Caused by Personnel Error.Personnel Trained Re Procedural Changes
type: Subject
page: https://kanterella.com/05000293/LER-2D1989-2D014-2C_-3Aon_890412-2Cinadvertent_Overpressurization_of_RCIC_Suction_Piping_Occurred_During_Surveillance_Testing._Caused_by_Personnel_Error.Personnel_Train…
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wiki page sort key: 05000293/LER-1989-014, :on 890412,inadvertent Overpressurization of RCIC Suction Piping Occurred During Surveillance Testing. Caused by Personnel Error.Personnel Trained Re Procedural Changes

B13304, Application for Amend to License DPR-21,adding Four Valves to Tech Spec Table 3.7.1 & Minimizing Purging Operations Needed to Maintain Required Differential Pressure Between Drywell & Torus
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page: https://kanterella.com/B13304-2C_Application_for_Amend_to_License_DPR-2D21-2Cadding_Four_Valves_to_Tech_Spec_Table_3.7.1_-26_Minimizing_Purging_Operations_Needed_to_Maintain_Required_Differential_Pres…
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TS: TS-3.7.A
wiki page sort key: B13304, Application for Amend to License DPR-21,adding Four Valves to Tech Spec Table 3.7.1 & Minimizing Purging Operations Needed to Maintain Required Differential Pressure Between Drywell & Torus

Opening of Inner & Outer Doors of Personnel Airlock for 5 S.Caused by Slack in Tie Rod Roller Chain Assembly.Security Post Order Issued
type: Subject
label: 05000293/LER-1989-008, :on 890216,primary Containment Inadvertently Breached W/Opening of Inner & Outer Doors of Personnel Airlock for 5 S.Caused by Slack in Tie Rod Roller Chain Assembly.Security Post Order Issued
page: https://kanterella.com/05000293/LER-2D1989-2D008-2C_-3Aon_890216-2Cprimary_Containment_Inadvertently_Breached_W/Opening_of_Inner_-26_Outer_Doors_of_Personnel_Airlock_for_5_S.Caused_by_Slack_in_Tie_Rod…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1989-008, :on 890216,primary Containment Inadvertently Breached W/Opening of Inner & Outer Doors of Personnel Airlock for 5 S.Caused by Slack in Tie Rod Roller Chain Assembly.Security Post Order Issued

LER-1989-009-01, :on 890518,determined Containment Drywell to Suppression Chamber Differential Pressure & Suppression Chamber Level Out of Limits.Caused by Personnel Error. Personnel Involved Counseled
type: Subject
label: 05000333/LER-1989-009-01, :on 890518,determined Containment Drywell to Suppression Chamber Differential Pressure & Suppression Chamber Level Out of Limits.Caused by Personnel Error. Personnel Involved Counseled
page: https://kanterella.com/05000333/LER-2D1989-2D009-2D01-2C_-3Aon_890518-2Cdetermined_Containment_Drywell_to_Suppression_Chamber_Differential_Pressure_-26_Suppression_Chamber_Level_Out_of_Limits.Caused_b…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1989-009-01, :on 890518,determined Containment Drywell to Suppression Chamber Differential Pressure & Suppression Chamber Level Out of Limits.Caused by Personnel Error. Personnel Involved Counseled

ML20245F728
type: Subject
page: https://kanterella.com/ML20245F728
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20245F728

LER-1987-007, :on 870812,18 & 23,while Performing Type C Leak Rate Testing,Listed Valves Found to Have Seat Leakage Above Tech Spec Requirements.Util Will Perform Maint on Valves to Determine Cause of Failure
type: Subject
label: 05000271/LER-1987-007, :on 870812,18 & 23,while Performing Type C Leak Rate Testing,Listed Valves Found to Have Seat Leakage Above Tech Spec Requirements.Util Will Perform Maint on Valves to Determine Cause of Failure
page: https://kanterella.com/05000271/LER-2D1987-2D007-2C_-3Aon_870812-2C18_-26_23-2Cwhile_Performing_Type_C_Leak_Rate_Testing-2CListed_Valves_Found_to_Have_Seat_Leakage_Above_Tech_Spec_Requirements.Util_Wi…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1987-007, :on 870812,18 & 23,while Performing Type C Leak Rate Testing,Listed Valves Found to Have Seat Leakage Above Tech Spec Requirements.Util Will Perform Maint on Valves to Determine Cause of Failure

ML20247D284
type: Subject
page: https://kanterella.com/ML20247D284
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20247D284

LER-1987-018, :on 871028,Bus 15 Voltage Restoring Scheme Inoperable.Caused by Relay Specialist Inadvertently Touching Lifted Wire to Stud Connection on Relay.Blown Fuse Replaced. Long-term Actions Under Consideration
type: Subject
label: 05000282/LER-1987-018, :on 871028,Bus 15 Voltage Restoring Scheme Inoperable.Caused by Relay Specialist Inadvertently Touching Lifted Wire to Stud Connection on Relay.Blown Fuse Replaced. Long-term Actions Under Consideration
page: https://kanterella.com/05000282/LER-2D1987-2D018-2C_-3Aon_871028-2CBus_15_Voltage_Restoring_Scheme_Inoperable.Caused_by_Relay_Specialist_Inadvertently_Touching_Lifted_Wire_to_Stud_Connection_on_Relay.…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000282/LER-1987-018, :on 871028,Bus 15 Voltage Restoring Scheme Inoperable.Caused by Relay Specialist Inadvertently Touching Lifted Wire to Stud Connection on Relay.Blown Fuse Replaced. Long-term Actions Under Consideration

LER-1989-007, :on 890216 17 & 0305 & 07,while Performimg Type C Leak Rate Testing,Several Valves Found to Have Seat Leakage Exceeding 10CFR50,App J Requirements.Cause Undetermined.Valves Will Be Repaired & Tested
type: Subject
label: 05000271/LER-1989-007, :on 890216 17 & 0305 & 07,while Performimg Type C Leak Rate Testing,Several Valves Found to Have Seat Leakage Exceeding 10CFR50,App J Requirements.Cause Undetermined.Valves Will Be Repaired & Tested
page: https://kanterella.com/05000271/LER-2D1989-2D007-2C_-3Aon_890216_17_-26_0305_-26_07-2Cwhile_Performimg_Type_C_Leak_Rate_Testing-2CSeveral_Valves_Found_to_Have_Seat_Leakage_Exceeding_10CFR50-2CApp_J_Re…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1989-007, :on 890216 17 & 0305 & 07,while Performimg Type C Leak Rate Testing,Several Valves Found to Have Seat Leakage Exceeding 10CFR50,App J Requirements.Cause Undetermined.Valves Will Be Repaired & Tested

IR 05000293/1987025
type: Subject
page: https://kanterella.com/IR_05000293/1987025
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000293/1987025

05000254/LER-1987-019-04, :on 870912,containment Leakage Determined to Be in Excess of Tech Spec 3.7.A.2.b Limit.Cause Not Determined. Investigation Will Determine Corrective Actions
type: Subject
page: https://kanterella.com/05000254/LER-2D1987-2D019-2D04-2C_-3Aon_870912-2Ccontainment_Leakage_Determined_to_Be_in_Excess_of_Tech_Spec_3.7.A.2.b_Limit.Cause_Not_Determined._Investigation_Will_Determine_C…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1987-019-04, :on 870912,containment Leakage Determined to Be in Excess of Tech Spec 3.7.A.2.b Limit.Cause Not Determined. Investigation Will Determine Corrective Actions

LER-1987-016-06, :on 870912,determined That Measured Combined Leakage Rate from All Penetrations & Valves,Excluding MSIV, Exceeded Tech Spec Limits.Cause Not Yet Determined. Investigation Underway
type: Subject
label: 05000254/LER-1987-016-06, :on 870912,determined That Measured Combined Leakage Rate from All Penetrations & Valves,Excluding MSIV, Exceeded Tech Spec Limits.Cause Not Yet Determined. Investigation Underway
page: https://kanterella.com/05000254/LER-2D1987-2D016-2D06-2C_-3Aon_870912-2Cdetermined_That_Measured_Combined_Leakage_Rate_from_All_Penetrations_-26_Valves-2CExcluding_MSIV-2C_Exceeded_Tech_Spec_Limits.Ca…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1987-016-06, :on 870912,determined That Measured Combined Leakage Rate from All Penetrations & Valves,Excluding MSIV, Exceeded Tech Spec Limits.Cause Not Yet Determined. Investigation Underway

LER-1989-004, :on 890127,discovered Two Primary Containment Air Operated Valves Inoperable Resulting in Unit Shutdown. Caused by Pressure Drop Rate of Stored Air Supply for Valves.New Tubing Installed
type: Subject
label: 05000293/LER-1989-004, :on 890127,discovered Two Primary Containment Air Operated Valves Inoperable Resulting in Unit Shutdown. Caused by Pressure Drop Rate of Stored Air Supply for Valves.New Tubing Installed
page: https://kanterella.com/05000293/LER-2D1989-2D004-2C_-3Aon_890127-2Cdiscovered_Two_Primary_Containment_Air_Operated_Valves_Inoperable_Resulting_in_Unit_Shutdown._Caused_by_Pressure_Drop_Rate_of_Stored_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1989-004, :on 890127,discovered Two Primary Containment Air Operated Valves Inoperable Resulting in Unit Shutdown. Caused by Pressure Drop Rate of Stored Air Supply for Valves.New Tubing Installed

LER-1986-014, :on 861012,while Performing Refuel Outage Local Leak Rate Testing,Measured Combined Leakage for Penetrations & Valves,Except Msivs,Found to Be in Excess of Tech Spec Limit.Caused by Wear or Design Deficiency
type: Subject
label: 05000265/LER-1986-014, :on 861012,while Performing Refuel Outage Local Leak Rate Testing,Measured Combined Leakage for Penetrations & Valves,Except Msivs,Found to Be in Excess of Tech Spec Limit.Caused by Wear or Design Deficiency
page: https://kanterella.com/05000265/LER-2D1986-2D014-2C_-3Aon_861012-2Cwhile_Performing_Refuel_Outage_Local_Leak_Rate_Testing-2CMeasured_Combined_Leakage_for_Penetrations_-26_Valves-2CExcept_Msivs-2CFound…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1986-014, :on 861012,while Performing Refuel Outage Local Leak Rate Testing,Measured Combined Leakage for Penetrations & Valves,Except Msivs,Found to Be in Excess of Tech Spec Limit.Caused by Wear or Design Deficiency

LER-1998-009, :on 980321,determined That Leakage Rates of Both Inboard & Outboard MSIV in B & C Steam Lines Exceed TS Allowable Leak Rate Limit.Cause Analysis in Progress.Rept Written to Investigate Event
type: Subject
label: 05000271/LER-1998-009, :on 980321,determined That Leakage Rates of Both Inboard & Outboard MSIV in B & C Steam Lines Exceed TS Allowable Leak Rate Limit.Cause Analysis in Progress.Rept Written to Investigate Event
page: https://kanterella.com/05000271/LER-2D1998-2D009-2C_-3Aon_980321-2Cdetermined_That_Leakage_Rates_of_Both_Inboard_-26_Outboard_MSIV_in_B_-26_C_Steam_Lines_Exceed_TS_Allowable_Leak_Rate_Limit.Cause_Anal…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1998-009, :on 980321,determined That Leakage Rates of Both Inboard & Outboard MSIV in B & C Steam Lines Exceed TS Allowable Leak Rate Limit.Cause Analysis in Progress.Rept Written to Investigate Event

IR 05000219/2006005
type: Subject
page: https://kanterella.com/IR_05000219/2006005
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000219/2006005

05000277/LER-1986-023-01, :on 861011,improper Indication Observed on Primary Containment Valves Position Display Panel.Caused by Mechanical Interference or Binding in Ball Valve.Valve Replaced
type: Subject
page: https://kanterella.com/05000277/LER-2D1986-2D023-2D01-2C_-3Aon_861011-2Cimproper_Indication_Observed_on_Primary_Containment_Valves_Position_Display_Panel.Caused_by_Mechanical_Interference_or_Binding_i…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1986-023-01, :on 861011,improper Indication Observed on Primary Containment Valves Position Display Panel.Caused by Mechanical Interference or Binding in Ball Valve.Valve Replaced

ML20235S478
type: Subject
page: https://kanterella.com/ML20235S478
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20235S478

05000298/LER-1986-013, :on 860617,during Operation at 18% Power, Primary Containment Integrity Breached When Maint Team Exited Drywell W/O Inner Airlock Door Fully Seated.Caused by Personnel Error
type: Subject
page: https://kanterella.com/05000298/LER-2D1986-2D013-2C_-3Aon_860617-2Cduring_Operation_at_18-_Power-2C_Primary_Containment_Integrity_Breached_When_Maint_Team_Exited_Drywell_W/O_Inner_Airlock_Door_Fully_S…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000298/LER-1986-013, :on 860617,during Operation at 18% Power, Primary Containment Integrity Breached When Maint Team Exited Drywell W/O Inner Airlock Door Fully Seated.Caused by Personnel Error

LER-1986-027, :on 860612,drywell Vent Valves 1T48-F319 & F320 Failed to Pressurize During Special Purpose Procedure 42SP-061286-OU-1S Re Local Leak Rate Test.Caused by Damaged T-ring.T-ring Replaced
type: Subject
label: 05000321/LER-1986-027, :on 860612,drywell Vent Valves 1T48-F319 & F320 Failed to Pressurize During Special Purpose Procedure 42SP-061286-OU-1S Re Local Leak Rate Test.Caused by Damaged T-ring.T-ring Replaced
page: https://kanterella.com/05000321/LER-2D1986-2D027-2C_-3Aon_860612-2Cdrywell_Vent_Valves_1T48-2DF319_-26_F320_Failed_to_Pressurize_During_Special_Purpose_Procedure_42SP-2D061286-2DOU-2D1S_Re_Local_Leak_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1986-027, :on 860612,drywell Vent Valves 1T48-F319 & F320 Failed to Pressurize During Special Purpose Procedure 42SP-061286-OU-1S Re Local Leak Rate Test.Caused by Damaged T-ring.T-ring Replaced

Nitrogen Suppliers
type: Subject
label: 05000254/LER-1986-039-02, :on 861117,discovered That Primary Containment Atmosphere Greater than 4% Due to Lack of Nitrogen.Caused by Nitrogen Supplier Not Delivering Nitrogen in Timely Manner. Discussions Held W/Nitrogen Suppliers
page: https://kanterella.com/05000254/LER-2D1986-2D039-2D02-2C_-3Aon_861117-2Cdiscovered_That_Primary_Containment_Atmosphere_Greater_than_4-_Due_to_Lack_of_Nitrogen.Caused_by_Nitrogen_Supplier_Not_Deliverin…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1986-039-02, :on 861117,discovered That Primary Containment Atmosphere Greater than 4% Due to Lack of Nitrogen.Caused by Nitrogen Supplier Not Delivering Nitrogen in Timely Manner. Discussions Held W/Nitrogen Suppliers

ML18251A003
type: Subject
page: https://kanterella.com/ML18251A003
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18251A003

05000237/LER-1986-030-04, :on 861214,MSIV 2-203-2B Leaked in Excess of Tech Spec 3.7.A.2.b Limit.Caused by Packing Leak on 2-203-2B Valve.Valve Repacked & Local Leak Test Successfully Performed
type: Subject
page: https://kanterella.com/05000237/LER-2D1986-2D030-2D04-2C_-3Aon_861214-2CMSIV_2-2D203-2D2B_Leaked_in_Excess_of_Tech_Spec_3.7.A.2.b_Limit.Caused_by_Packing_Leak_on_2-2D203-2D2B_Valve.Valve_Repacked_-26_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1986-030-04, :on 861214,MSIV 2-203-2B Leaked in Excess of Tech Spec 3.7.A.2.b Limit.Caused by Packing Leak on 2-203-2B Valve.Valve Repacked & Local Leak Test Successfully Performed

IR 05000321/1986017
type: Subject
page: https://kanterella.com/IR_05000321/1986017
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000321/1986017

LER-1986-007, :on 860621,while Performing Type a Containment Leak Rate Test,Leakage in Excess Permitted by Tech Spec Section 4.7.2 Measured.Leak Sources Identified & Repaired. Type a Leak Test Performed Successfully
type: Subject
label: 05000271/LER-1986-007, :on 860621,while Performing Type a Containment Leak Rate Test,Leakage in Excess Permitted by Tech Spec Section 4.7.2 Measured.Leak Sources Identified & Repaired. Type a Leak Test Performed Successfully
page: https://kanterella.com/05000271/LER-2D1986-2D007-2C_-3Aon_860621-2Cwhile_Performing_Type_a_Containment_Leak_Rate_Test-2CLeakage_in_Excess_Permitted_by_Tech_Spec_Section_4.7.2_Measured.Leak_Sources_Ide…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1986-007, :on 860621,while Performing Type a Containment Leak Rate Test,Leakage in Excess Permitted by Tech Spec Section 4.7.2 Measured.Leak Sources Identified & Repaired. Type a Leak Test Performed Successfully

Excess Leakage.Caused by Equipment Failure.Repairs Performed
type: Subject
label: 05000254/LER-1986-002-02, :on 860107,while Performing MSIV Local Leak Rate Tests During Shutdown for Refueling & Maint,Valves AO 1-203-2A,2B & 2C Found W/Excess Leakage.Caused by Equipment Failure.Repairs Performed
page: https://kanterella.com/05000254/LER-2D1986-2D002-2D02-2C_-3Aon_860107-2Cwhile_Performing_MSIV_Local_Leak_Rate_Tests_During_Shutdown_for_Refueling_-26_Maint-2CValves_AO_1-2D203-2D2A-2C2B_-26_2C_Found_W…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1986-002-02, :on 860107,while Performing MSIV Local Leak Rate Tests During Shutdown for Refueling & Maint,Valves AO 1-203-2A,2B & 2C Found W/Excess Leakage.Caused by Equipment Failure.Repairs Performed

LER-1986-026-02, :on 861129,primary Containment Deinerted More than 24 H Prior to Shutdown.Caused by Personnel Error.Shift Supervisors Notified & Shutdown Procedures Changed Re Deinerting Time Restriction
type: Subject
label: 05000237/LER-1986-026-02, :on 861129,primary Containment Deinerted More than 24 H Prior to Shutdown.Caused by Personnel Error.Shift Supervisors Notified & Shutdown Procedures Changed Re Deinerting Time Restriction
page: https://kanterella.com/05000237/LER-2D1986-2D026-2D02-2C_-3Aon_861129-2Cprimary_Containment_Deinerted_More_than_24_H_Prior_to_Shutdown.Caused_by_Personnel_Error.Shift_Supervisors_Notified_-26_Shutdown…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1986-026-02, :on 861129,primary Containment Deinerted More than 24 H Prior to Shutdown.Caused by Personnel Error.Shift Supervisors Notified & Shutdown Procedures Changed Re Deinerting Time Restriction

IR 05000321/1988030
type: Subject
page: https://kanterella.com/IR_05000321/1988030
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000321/1988030

ML20202E297
type: Subject
page: https://kanterella.com/ML20202E297
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20202E297

ML20199L403
type: Subject
page: https://kanterella.com/ML20199L403
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20199L403

ML20203D703
type: Subject
page: https://kanterella.com/ML20203D703
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20203D703

ML20198R704
type: Subject
page: https://kanterella.com/ML20198R704
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20198R704

LER-1987-019-02, :on 870914,as Found Leakage Exceeded Tech Spec 3.7.A.2.b Limit.Cause Not Determined.Valves & Penetrations Tested as Required by Local Leak Rate Test Program.Several Valves & Penetration Repaired or Replaced
type: Subject
label: 05000254/LER-1987-019-02, :on 870914,as Found Leakage Exceeded Tech Spec 3.7.A.2.b Limit.Cause Not Determined.Valves & Penetrations Tested as Required by Local Leak Rate Test Program.Several Valves & Penetration Repaired or Replaced
page: https://kanterella.com/05000254/LER-2D1987-2D019-2D02-2C_-3Aon_870914-2Cas_Found_Leakage_Exceeded_Tech_Spec_3.7.A.2.b_Limit.Cause_Not_Determined.Valves_-26_Penetrations_Tested_as_Required_by_Local_Lea…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1987-019-02, :on 870914,as Found Leakage Exceeded Tech Spec 3.7.A.2.b Limit.Cause Not Determined.Valves & Penetrations Tested as Required by Local Leak Rate Test Program.Several Valves & Penetration Repaired or Replaced

Air Operator Portion of Vacuum Breaker.Vacuum Breakers Will Be Inspected & Repaired
type: Subject
label: 05000265/LER-1987-012-09, :on 870918,suppression Chamber to Drywell Vacuum Breaker Failed to Close After Testing.Caused by Problem W/Air Operator Portion of Vacuum Breaker.Vacuum Breakers Will Be Inspected & Repaired
page: https://kanterella.com/05000265/LER-2D1987-2D012-2D09-2C_-3Aon_870918-2Csuppression_Chamber_to_Drywell_Vacuum_Breaker_Failed_to_Close_After_Testing.Caused_by_Problem_W/Air_Operator_Portion_of_Vacuum_B…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1987-012-09, :on 870918,suppression Chamber to Drywell Vacuum Breaker Failed to Close After Testing.Caused by Problem W/Air Operator Portion of Vacuum Breaker.Vacuum Breakers Will Be Inspected & Repaired

LER-1987-004-10, :on 870218,suppression Chamber to Drywell Vacuum Breaker 2-1601-33A Would Not Return to Normal Closed Position After Being Tested.Caused by Either Slightly Dimpled Valve Bushing or Corroded Solenoid
type: Subject
label: 05000265/LER-1987-004-10, :on 870218,suppression Chamber to Drywell Vacuum Breaker 2-1601-33A Would Not Return to Normal Closed Position After Being Tested.Caused by Either Slightly Dimpled Valve Bushing or Corroded Solenoid
page: https://kanterella.com/05000265/LER-2D1987-2D004-2D10-2C_-3Aon_870218-2Csuppression_Chamber_to_Drywell_Vacuum_Breaker_2-2D1601-2D33A_Would_Not_Return_to_Normal_Closed_Position_After_Being_Tested.Cause…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1987-004-10, :on 870218,suppression Chamber to Drywell Vacuum Breaker 2-1601-33A Would Not Return to Normal Closed Position After Being Tested.Caused by Either Slightly Dimpled Valve Bushing or Corroded Solenoid

LER-1988-003-01, :on 880426,during Relay Testing,Two Terminals Inadvertently Shorted,Blowing Panel Power Supplu Fuse & Making Bus 16 Voltage Restoring Scheme Inoperable.Caused by Personnel Error.Isolation Switch Installed
type: Subject
label: 05000282/LER-1988-003-01, :on 880426,during Relay Testing,Two Terminals Inadvertently Shorted,Blowing Panel Power Supplu Fuse & Making Bus 16 Voltage Restoring Scheme Inoperable.Caused by Personnel Error.Isolation Switch Installed
page: https://kanterella.com/05000282/LER-2D1988-2D003-2D01-2C_-3Aon_880426-2Cduring_Relay_Testing-2CTwo_Terminals_Inadvertently_Shorted-2CBlowing_Panel_Power_Supplu_Fuse_-26_Making_Bus_16_Voltage_Restoring…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000282/LER-1988-003-01, :on 880426,during Relay Testing,Two Terminals Inadvertently Shorted,Blowing Panel Power Supplu Fuse & Making Bus 16 Voltage Restoring Scheme Inoperable.Caused by Personnel Error.Isolation Switch Installed

05000254/LER-1978-030-03, /03L-0 on 781026:dual Position Indication Was Received for Supression Chamber to Drywell Vacuum Breaker, Valve 1-1601-33E.Caused by Position Indication Problem
type: Subject
page: https://kanterella.com/05000254/LER-2D1978-2D030-2D03-2C_/03L-2D0_on_781026-3Adual_Position_Indication_Was_Received_for_Supression_Chamber_to_Drywell_Vacuum_Breaker-2C_Valve_1-2D1601-2D33E.Caused_by_P…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1978-030-03, /03L-0 on 781026:dual Position Indication Was Received for Supression Chamber to Drywell Vacuum Breaker, Valve 1-1601-33E.Caused by Position Indication Problem

05000298/LER-1997-008, :on 970614,TS 3.7.A.5.d Time Limit Was Exceeded.Caused by Procedural Inadequacy.Revised Operating Procedures 2.2.60
type: Subject
page: https://kanterella.com/05000298/LER-2D1997-2D008-2C_-3Aon_970614-2CTS_3.7.A.5.d_Time_Limit_Was_Exceeded.Caused_by_Procedural_Inadequacy.Revised_Operating_Procedures_2.2.60
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000298/LER-1997-008, :on 970614,TS 3.7.A.5.d Time Limit Was Exceeded.Caused by Procedural Inadequacy.Revised Operating Procedures 2.2.60

ML20149L162
type: Subject
page: https://kanterella.com/ML20149L162
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20149L162

LER-1997-003, :on 970423,primary Containment Vent & Purge Sys & Simultaneous Opening of Inlet Purge & Outlet Exhaust Lines Was Determined.Caused by Procedural Noncompliance. Procedure 2.2.6.0 Was Revised
type: Subject
label: 05000298/LER-1997-003, :on 970423,primary Containment Vent & Purge Sys & Simultaneous Opening of Inlet Purge & Outlet Exhaust Lines Was Determined.Caused by Procedural Noncompliance. Procedure 2.2.6.0 Was Revised
page: https://kanterella.com/05000298/LER-2D1997-2D003-2C_-3Aon_970423-2Cprimary_Containment_Vent_-26_Purge_Sys_-26_Simultaneous_Opening_of_Inlet_Purge_-26_Outlet_Exhaust_Lines_Was_Determined.Caused_by_Proc…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000298/LER-1997-003, :on 970423,primary Containment Vent & Purge Sys & Simultaneous Opening of Inlet Purge & Outlet Exhaust Lines Was Determined.Caused by Procedural Noncompliance. Procedure 2.2.6.0 Was Revised

05000254/LER-1986-002, :on 860107,during Shutdown,Discovered That Three MSIVs Leaked in Excess of 11.5 Scfh Limit.Cause Undetermined.Leaks Will Be Repaired Before Startup
type: Subject
page: https://kanterella.com/05000254/LER-2D1986-2D002-2C_-3Aon_860107-2Cduring_Shutdown-2CDiscovered_That_Three_MSIVs_Leaked_in_Excess_of_11.5_Scfh_Limit.Cause_Undetermined.Leaks_Will_Be_Repaired_Before_St…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1986-002, :on 860107,during Shutdown,Discovered That Three MSIVs Leaked in Excess of 11.5 Scfh Limit.Cause Undetermined.Leaks Will Be Repaired Before Startup

05000278/LER-1985-028-01, :on 850811,12,0906 & 25,while in Refuel Outage & W/Reactor Vessel Head Removed,Primary Containment Isolation Sys Initiated Various Isolations.Caused by outage- Related Work
type: Subject
page: https://kanterella.com/05000278/LER-2D1985-2D028-2D01-2C_-3Aon_850811-2C12-2C0906_-26_25-2Cwhile_in_Refuel_Outage_-26_W/Reactor_Vessel_Head_Removed-2CPrimary_Containment_Isolation_Sys_Initiated_Variou…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000278/LER-1985-028-01, :on 850811,12,0906 & 25,while in Refuel Outage & W/Reactor Vessel Head Removed,Primary Containment Isolation Sys Initiated Various Isolations.Caused by outage- Related Work

05000245/LER-1997-010-01, :on 970214,determined LLRT Pressure Being Used May Be Less than Accident Pressure.Caused by Weakness in Mgt Commitment to App J Program.Llrts Modified
type: Subject
page: https://kanterella.com/05000245/LER-2D1997-2D010-2D01-2C_-3Aon_970214-2Cdetermined_LLRT_Pressure_Being_Used_May_Be_Less_than_Accident_Pressure.Caused_by_Weakness_in_Mgt_Commitment_to_App_J_Program.Llr…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000245/LER-1997-010-01, :on 970214,determined LLRT Pressure Being Used May Be Less than Accident Pressure.Caused by Weakness in Mgt Commitment to App J Program.Llrts Modified

LER-1992-020, :on 920920,determined That TS 3.7.A.2.a.2 Limit Exceeded While Performing LLRT of Atmospheric Containment,Atmospheric Dilution & SGTR Isolation Valve. Caused by Bonnet Leak.Valve Flushed
type: Subject
label: 05000254/LER-1992-020, :on 920920,determined That TS 3.7.A.2.a.2 Limit Exceeded While Performing LLRT of Atmospheric Containment,Atmospheric Dilution & SGTR Isolation Valve. Caused by Bonnet Leak.Valve Flushed
page: https://kanterella.com/05000254/LER-2D1992-2D020-2C_-3Aon_920920-2Cdetermined_That_TS_3.7.A.2.a.2_Limit_Exceeded_While_Performing_LLRT_of_Atmospheric_Containment-2CAtmospheric_Dilution_-26_SGTR_Isolat…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1992-020, :on 920920,determined That TS 3.7.A.2.a.2 Limit Exceeded While Performing LLRT of Atmospheric Containment,Atmospheric Dilution & SGTR Isolation Valve. Caused by Bonnet Leak.Valve Flushed

LER-1996-004, :on 960409,low Voltage Power Containment Electrical Penetrations with Degraded Electrical Protection Occurred.Caused by Unawareness of Coordination Requirements. Circuits Breakers Replaced
type: Subject
label: 05000293/LER-1996-004, :on 960409,low Voltage Power Containment Electrical Penetrations with Degraded Electrical Protection Occurred.Caused by Unawareness of Coordination Requirements. Circuits Breakers Replaced
page: https://kanterella.com/05000293/LER-2D1996-2D004-2C_-3Aon_960409-2Clow_Voltage_Power_Containment_Electrical_Penetrations_with_Degraded_Electrical_Protection_Occurred.Caused_by_Unawareness_of_Coordinat…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1996-004, :on 960409,low Voltage Power Containment Electrical Penetrations with Degraded Electrical Protection Occurred.Caused by Unawareness of Coordination Requirements. Circuits Breakers Replaced

IR 05000277/1985021
type: Subject
page: https://kanterella.com/IR_05000277/1985021
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000277/1985021

LER-1996-027, :on 960328,bolting Materials Used in Certain Containment Boundary Components Did Not Meet Original Design Specifications.Caused by Personnel Error.Containment Bolted Closures Will Be Removed
type: Subject
label: 05000245/LER-1996-027, :on 960328,bolting Materials Used in Certain Containment Boundary Components Did Not Meet Original Design Specifications.Caused by Personnel Error.Containment Bolted Closures Will Be Removed
page: https://kanterella.com/05000245/LER-2D1996-2D027-2C_-3Aon_960328-2Cbolting_Materials_Used_in_Certain_Containment_Boundary_Components_Did_Not_Meet_Original_Design_Specifications.Caused_by_Personnel_Err…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000245/LER-1996-027, :on 960328,bolting Materials Used in Certain Containment Boundary Components Did Not Meet Original Design Specifications.Caused by Personnel Error.Containment Bolted Closures Will Be Removed

LER-1985-006-02, :on 850318,two MSIVs Leaked in Excess of 11.5 Std Cubic Ft Per Hour Tech Spec Limit. Caused by Valve Seating Surface Wear.Valves Repaired by Lapping Main Seats & by Replacing Main Disc & Pilot Seats
type: Subject
label: 05000265/LER-1985-006-02, :on 850318,two MSIVs Leaked in Excess of 11.5 Std Cubic Ft Per Hour Tech Spec Limit. Caused by Valve Seating Surface Wear.Valves Repaired by Lapping Main Seats & by Replacing Main Disc & Pilot Seats
page: https://kanterella.com/05000265/LER-2D1985-2D006-2D02-2C_-3Aon_850318-2Ctwo_MSIVs_Leaked_in_Excess_of_11.5_Std_Cubic_Ft_Per_Hour_Tech_Spec_Limit._Caused_by_Valve_Seating_Surface_Wear.Valves_Repaired_b…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1985-006-02, :on 850318,two MSIVs Leaked in Excess of 11.5 Std Cubic Ft Per Hour Tech Spec Limit. Caused by Valve Seating Surface Wear.Valves Repaired by Lapping Main Seats & by Replacing Main Disc & Pilot Seats

ML20128L844
type: Subject
page: https://kanterella.com/ML20128L844
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20128L844

LER-1992-018, :on 921220,reactor Scram & Closing of Main Steam Isolation Valves Due to Trip Settings of Main Steam Radiation Monitors.Procedure 3.M.2-7.6 Revised to Record Alarm & Trip Settings in Scientific Notation
type: Subject
label: 05000293/LER-1992-018, :on 921220,reactor Scram & Closing of Main Steam Isolation Valves Due to Trip Settings of Main Steam Radiation Monitors.Procedure 3.M.2-7.6 Revised to Record Alarm & Trip Settings in Scientific Notation
page: https://kanterella.com/05000293/LER-2D1992-2D018-2C_-3Aon_921220-2Creactor_Scram_-26_Closing_of_Main_Steam_Isolation_Valves_Due_to_Trip_Settings_of_Main_Steam_Radiation_Monitors.Procedure_3.M.2-2D7.6_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1992-018, :on 921220,reactor Scram & Closing of Main Steam Isolation Valves Due to Trip Settings of Main Steam Radiation Monitors.Procedure 3.M.2-7.6 Revised to Record Alarm & Trip Settings in Scientific Notation

LER-1996-005, :on 960419,automatic Scram Occurred Due to Turbine Vibration During Planned Power Reduction.Turbine Vibration Trip Setting That Initiates Trip of Turbine Due to High Vibration Changed
type: Subject
label: 05000293/LER-1996-005, :on 960419,automatic Scram Occurred Due to Turbine Vibration During Planned Power Reduction.Turbine Vibration Trip Setting That Initiates Trip of Turbine Due to High Vibration Changed
page: https://kanterella.com/05000293/LER-2D1996-2D005-2C_-3Aon_960419-2Cautomatic_Scram_Occurred_Due_to_Turbine_Vibration_During_Planned_Power_Reduction.Turbine_Vibration_Trip_Setting_That_Initiates_Trip_o…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1996-005, :on 960419,automatic Scram Occurred Due to Turbine Vibration During Planned Power Reduction.Turbine Vibration Trip Setting That Initiates Trip of Turbine Due to High Vibration Changed

LER-1991-033, :on 911219,under LOCA Conditions,Water May Accumulate in Primary Containment Pressure Suppression Chamber (Torus) Causing Instrument Error.Caused by Water Accumulation.Calculations Performed
type: Subject
label: 05000333/LER-1991-033, :on 911219,under LOCA Conditions,Water May Accumulate in Primary Containment Pressure Suppression Chamber (Torus) Causing Instrument Error.Caused by Water Accumulation.Calculations Performed
page: https://kanterella.com/05000333/LER-2D1991-2D033-2C_-3Aon_911219-2Cunder_LOCA_Conditions-2CWater_May_Accumulate_in_Primary_Containment_Pressure_Suppression_Chamber_-28Torus-29_Causing_Instrument_Error…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1991-033, :on 911219,under LOCA Conditions,Water May Accumulate in Primary Containment Pressure Suppression Chamber (Torus) Causing Instrument Error.Caused by Water Accumulation.Calculations Performed

LER-1992-020-02, :on 920921,determined That TS 3.7.A.2.a.2 Limit of 293.75 Scfh Exceeded.Cause of Excessive Leakages Cannot Be Determined Until Repairs Completed & Valves & Components Retested.Supplemental LER Will Be Issued
type: Subject
label: 05000254/LER-1992-020-02, :on 920921,determined That TS 3.7.A.2.a.2 Limit of 293.75 Scfh Exceeded.Cause of Excessive Leakages Cannot Be Determined Until Repairs Completed & Valves & Components Retested.Supplemental LER Will Be Issued
page: https://kanterella.com/05000254/LER-2D1992-2D020-2D02-2C_-3Aon_920921-2Cdetermined_That_TS_3.7.A.2.a.2_Limit_of_293.75_Scfh_Exceeded.Cause_of_Excessive_Leakages_Cannot_Be_Determined_Until_Repairs_Comp…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1992-020-02, :on 920921,determined That TS 3.7.A.2.a.2 Limit of 293.75 Scfh Exceeded.Cause of Excessive Leakages Cannot Be Determined Until Repairs Completed & Valves & Components Retested.Supplemental LER Will Be Issued

LER-1985-004, :on 850212,one of Two Reactor Bldg Pressure Suppression Chamber Vacuum Breaker Valves Made Inoperable & Remained Inoperable in Excess of Tech Specs.Caused by Restriction by Scaffolding
type: Subject
label: 05000333/LER-1985-004, :on 850212,one of Two Reactor Bldg Pressure Suppression Chamber Vacuum Breaker Valves Made Inoperable & Remained Inoperable in Excess of Tech Specs.Caused by Restriction by Scaffolding
page: https://kanterella.com/05000333/LER-2D1985-2D004-2C_-3Aon_850212-2Cone_of_Two_Reactor_Bldg_Pressure_Suppression_Chamber_Vacuum_Breaker_Valves_Made_Inoperable_-26_Remained_Inoperable_in_Excess_of_Tech_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1985-004, :on 850212,one of Two Reactor Bldg Pressure Suppression Chamber Vacuum Breaker Valves Made Inoperable & Remained Inoperable in Excess of Tech Specs.Caused by Restriction by Scaffolding

IR 05000219/1973015
type: Subject
page: https://kanterella.com/IR_05000219/1973015
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000219/1973015

LER-1989-014, :on 890910,determined That Measured,Combined Leakage Rate from All Penetrations & Valves,Excluding Misvs, Exceeded TS Limits.On 890911,MSIV Leaked in Excess of Ts. Valve Seating Surfaces Machined & Lapped
type: Subject
label: 05000254/LER-1989-014, :on 890910,determined That Measured,Combined Leakage Rate from All Penetrations & Valves,Excluding Misvs, Exceeded TS Limits.On 890911,MSIV Leaked in Excess of Ts. Valve Seating Surfaces Machined & Lapped
page: https://kanterella.com/05000254/LER-2D1989-2D014-2C_-3Aon_890910-2Cdetermined_That_Measured-2CCombined_Leakage_Rate_from_All_Penetrations_-26_Valves-2CExcluding_Misvs-2C_Exceeded_TS_Limits.On_890911-2…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1989-014, :on 890910,determined That Measured,Combined Leakage Rate from All Penetrations & Valves,Excluding Misvs, Exceeded TS Limits.On 890911,MSIV Leaked in Excess of Ts. Valve Seating Surfaces Machined & Lapped

LER-1996-001-01, :on 960312,torus-to-reactor Bldg Vacuum Relief Sys Train B Vacuum Breaker Inoperable Due to Pressure Switch.Replaced micor-switch,tested Pressure Switch Satisfactorily & Returned Vacuum to Svc
type: Subject
label: 05000293/LER-1996-001-01, :on 960312,torus-to-reactor Bldg Vacuum Relief Sys Train B Vacuum Breaker Inoperable Due to Pressure Switch.Replaced micor-switch,tested Pressure Switch Satisfactorily & Returned Vacuum to Svc
page: https://kanterella.com/05000293/LER-2D1996-2D001-2D01-2C_-3Aon_960312-2Ctorus-2Dto-2Dreactor_Bldg_Vacuum_Relief_Sys_Train_B_Vacuum_Breaker_Inoperable_Due_to_Pressure_Switch.Replaced_micor-2Dswitch-2Ct…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1996-001-01, :on 960312,torus-to-reactor Bldg Vacuum Relief Sys Train B Vacuum Breaker Inoperable Due to Pressure Switch.Replaced micor-switch,tested Pressure Switch Satisfactorily & Returned Vacuum to Svc

05000265/LER-1992-002, :on 920103,determined That TS 3.7.A.2.a.2 Limit of 293.75 Scfh Exceeded.Cause Not Determined.Feedwater Checkvalve 2-220-62A Repaired
type: Subject
page: https://kanterella.com/05000265/LER-2D1992-2D002-2C_-3Aon_920103-2Cdetermined_That_TS_3.7.A.2.a.2_Limit_of_293.75_Scfh_Exceeded.Cause_Not_Determined.Feedwater_Checkvalve_2-2D220-2D62A_Repaired
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1992-002, :on 920103,determined That TS 3.7.A.2.a.2 Limit of 293.75 Scfh Exceeded.Cause Not Determined.Feedwater Checkvalve 2-220-62A Repaired

LER-1992-003, :on 900205,determined That Measured Leakage Rate of 528.6 Standard Cubic Feet Per Hr Exceeded TS for All Valves.Caused by Excessive Leakage of HPCI Steam Exhaust Check Valve.Valve Replaced
type: Subject
label: 05000265/LER-1992-003, :on 900205,determined That Measured Leakage Rate of 528.6 Standard Cubic Feet Per Hr Exceeded TS for All Valves.Caused by Excessive Leakage of HPCI Steam Exhaust Check Valve.Valve Replaced
page: https://kanterella.com/05000265/LER-2D1992-2D003-2C_-3Aon_900205-2Cdetermined_That_Measured_Leakage_Rate_of_528.6_Standard_Cubic_Feet_Per_Hr_Exceeded_TS_for_All_Valves.Caused_by_Excessive_Leakage_of_H…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1992-003, :on 900205,determined That Measured Leakage Rate of 528.6 Standard Cubic Feet Per Hr Exceeded TS for All Valves.Caused by Excessive Leakage of HPCI Steam Exhaust Check Valve.Valve Replaced

LER-1984-002, :on 840307,while Performing Refueling Outage Local Leak Rate Testing,Measured Combined Leakage Rate for All Penetrations & Valves Found in Excess of Tech Specs. Valves,Hatches & Penetrations Repaired
type: Subject
label: 05000254/LER-1984-002, :on 840307,while Performing Refueling Outage Local Leak Rate Testing,Measured Combined Leakage Rate for All Penetrations & Valves Found in Excess of Tech Specs. Valves,Hatches & Penetrations Repaired
page: https://kanterella.com/05000254/LER-2D1984-2D002-2C_-3Aon_840307-2Cwhile_Performing_Refueling_Outage_Local_Leak_Rate_Testing-2CMeasured_Combined_Leakage_Rate_for_All_Penetrations_-26_Valves_Found_in_E…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1984-002, :on 840307,while Performing Refueling Outage Local Leak Rate Testing,Measured Combined Leakage Rate for All Penetrations & Valves Found in Excess of Tech Specs. Valves,Hatches & Penetrations Repaired

05000293/LER-1992-003, :on 920325,RCIC Sys Declared Inoperable.Caused by Motor Operator Disconnected from Valve Yoke.Personnel Provided one-time Torque Checking Requirements
type: Subject
page: https://kanterella.com/05000293/LER-2D1992-2D003-2C_-3Aon_920325-2CRCIC_Sys_Declared_Inoperable.Caused_by_Motor_Operator_Disconnected_from_Valve_Yoke.Personnel_Provided_one-2Dtime_Torque_Checking_Requ…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1992-003, :on 920325,RCIC Sys Declared Inoperable.Caused by Motor Operator Disconnected from Valve Yoke.Personnel Provided one-time Torque Checking Requirements

Age & Mfg Defect.Valves Repaired,Replaced or Successfully Retested
type: Subject
label: 05000271/LER-1992-010, :on 920308,12 & 17,liquid Radwaste Valve, Feedwater Check Valve & CRD Valves Found W/Seat Leakage Above Ts.Caused by Equipment Wear/Age & Mfg Defect.Valves Repaired,Replaced or Successfully Retested
page: https://kanterella.com/05000271/LER-2D1992-2D010-2C_-3Aon_920308-2C12_-26_17-2Cliquid_Radwaste_Valve-2C_Feedwater_Check_Valve_-26_CRD_Valves_Found_W/Seat_Leakage_Above_Ts.Caused_by_Equipment_Wear/Age_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1992-010, :on 920308,12 & 17,liquid Radwaste Valve, Feedwater Check Valve & CRD Valves Found W/Seat Leakage Above Ts.Caused by Equipment Wear/Age & Mfg Defect.Valves Repaired,Replaced or Successfully Retested

LER-1984-014, :on 840623,both Inner & Outer Drywell Entry Hatch Doors Open,Violating Primary Containment.Caused by Failure in Mechanical Interlock & Failure of Personnel to Recognize Integrity Violated.Doors Shut
type: Subject
label: 05000333/LER-1984-014, :on 840623,both Inner & Outer Drywell Entry Hatch Doors Open,Violating Primary Containment.Caused by Failure in Mechanical Interlock & Failure of Personnel to Recognize Integrity Violated.Doors Shut
page: https://kanterella.com/05000333/LER-2D1984-2D014-2C_-3Aon_840623-2Cboth_Inner_-26_Outer_Drywell_Entry_Hatch_Doors_Open-2CViolating_Primary_Containment.Caused_by_Failure_in_Mechanical_Interlock_-26_Fai…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1984-014, :on 840623,both Inner & Outer Drywell Entry Hatch Doors Open,Violating Primary Containment.Caused by Failure in Mechanical Interlock & Failure of Personnel to Recognize Integrity Violated.Doors Shut

LER-1984-013-05, :on 840830,reactor Operation Continued While Primary Containment Purge Sys Butterfly Valve 3-1601-63 Out of Svc for Air Leak Repair.Caused by Personnel Error. Outage Cleared & Valve Cycled
type: Subject
label: 05000249/LER-1984-013-05, :on 840830,reactor Operation Continued While Primary Containment Purge Sys Butterfly Valve 3-1601-63 Out of Svc for Air Leak Repair.Caused by Personnel Error. Outage Cleared & Valve Cycled
page: https://kanterella.com/05000249/LER-2D1984-2D013-2D05-2C_-3Aon_840830-2Creactor_Operation_Continued_While_Primary_Containment_Purge_Sys_Butterfly_Valve_3-2D1601-2D63_Out_of_Svc_for_Air_Leak_Repair.Cau…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000249/LER-1984-013-05, :on 840830,reactor Operation Continued While Primary Containment Purge Sys Butterfly Valve 3-1601-63 Out of Svc for Air Leak Repair.Caused by Personnel Error. Outage Cleared & Valve Cycled

LER-1984-019, :on 840521,0603,05 & 06,unplanned Partial Group V Isolation Experienced.Caused by Random Noise in Circuit.Further Study to Reduce Susceptibility of Sys to Spurious Isolation Pursued
type: Subject
label: 05000331/LER-1984-019, :on 840521,0603,05 & 06,unplanned Partial Group V Isolation Experienced.Caused by Random Noise in Circuit.Further Study to Reduce Susceptibility of Sys to Spurious Isolation Pursued
page: https://kanterella.com/05000331/LER-2D1984-2D019-2C_-3Aon_840521-2C0603-2C05_-26_06-2Cunplanned_Partial_Group_V_Isolation_Experienced.Caused_by_Random_Noise_in_Circuit.Further_Study_to_Reduce_Suscepti…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1984-019, :on 840521,0603,05 & 06,unplanned Partial Group V Isolation Experienced.Caused by Random Noise in Circuit.Further Study to Reduce Susceptibility of Sys to Spurious Isolation Pursued

05000293/LER-1995-008, :on 950814,primary Containment Sys Isolation Valve Was Unable to Close Fully on Automatic Signal Due to Wiring Discrepancy.Trained Personnel for Maint on Specific Event
type: Subject
page: https://kanterella.com/05000293/LER-2D1995-2D008-2C_-3Aon_950814-2Cprimary_Containment_Sys_Isolation_Valve_Was_Unable_to_Close_Fully_on_Automatic_Signal_Due_to_Wiring_Discrepancy.Trained_Personnel_for…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1995-008, :on 950814,primary Containment Sys Isolation Valve Was Unable to Close Fully on Automatic Signal Due to Wiring Discrepancy.Trained Personnel for Maint on Specific Event

LER-1992-003, :on 920108,during Cold Shutdown Incorrect Motor Pinion Key Discovered in Core Spray Sys Injection & Primary Containment Isolation Valves.Caused by Vendor Error in Part Number.Correct Key Installed
type: Subject
label: 05000333/LER-1992-003, :on 920108,during Cold Shutdown Incorrect Motor Pinion Key Discovered in Core Spray Sys Injection & Primary Containment Isolation Valves.Caused by Vendor Error in Part Number.Correct Key Installed
page: https://kanterella.com/05000333/LER-2D1992-2D003-2C_-3Aon_920108-2Cduring_Cold_Shutdown_Incorrect_Motor_Pinion_Key_Discovered_in_Core_Spray_Sys_Injection_-26_Primary_Containment_Isolation_Valves.Cause…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1992-003, :on 920108,during Cold Shutdown Incorrect Motor Pinion Key Discovered in Core Spray Sys Injection & Primary Containment Isolation Valves.Caused by Vendor Error in Part Number.Correct Key Installed

5 Will Be Replaced
type: Subject
label: 05000293/LER-1991-024, :on 911030,loss of Preferred & Secondary Offsite Power Occurred Due to Severe Coastal Storm While Shut Down.Caused by Flashover Switchyard Insulator. Westinghouse Type Relay 62/5 Will Be Replaced
page: https://kanterella.com/05000293/LER-2D1991-2D024-2C_-3Aon_911030-2Closs_of_Preferred_-26_Secondary_Offsite_Power_Occurred_Due_to_Severe_Coastal_Storm_While_Shut_Down.Caused_by_Flashover_Switchyard_Ins…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1991-024, :on 911030,loss of Preferred & Secondary Offsite Power Occurred Due to Severe Coastal Storm While Shut Down.Caused by Flashover Switchyard Insulator. Westinghouse Type Relay 62/5 Will Be Replaced

LER-1984-005-01, :on 840225,primary Containment Atmosphere Monitoring Instrumentation Analyzers a & B Out of Svc for 5 H.Caused by Zero Point Calibr & Sample Flow Vacuum Pump Problems.Sys Mods Implemented
type: Subject
label: 05000333/LER-1984-005-01, :on 840225,primary Containment Atmosphere Monitoring Instrumentation Analyzers a & B Out of Svc for 5 H.Caused by Zero Point Calibr & Sample Flow Vacuum Pump Problems.Sys Mods Implemented
page: https://kanterella.com/05000333/LER-2D1984-2D005-2D01-2C_-3Aon_840225-2Cprimary_Containment_Atmosphere_Monitoring_Instrumentation_Analyzers_a_-26_B_Out_of_Svc_for_5_H.Caused_by_Zero_Point_Calibr_-26_S…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1984-005-01, :on 840225,primary Containment Atmosphere Monitoring Instrumentation Analyzers a & B Out of Svc for 5 H.Caused by Zero Point Calibr & Sample Flow Vacuum Pump Problems.Sys Mods Implemented

ML20090A415
type: Subject
page: https://kanterella.com/ML20090A415
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20090A415

ML20090L139
type: Subject
page: https://kanterella.com/ML20090L139
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20090L139

ML20129F813
type: Subject
page: https://kanterella.com/ML20129F813
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20129F813

LER-1995-012-01, :on 950526,primary Containment Makeup Nitrogen Flow Monitoring Surveillance Missed Due to Personnel Error. Applicable Surveillance Tp (ST-40D) Change to Provide Alternate Means of Monitoring Subj Flow
type: Subject
label: 05000333/LER-1995-012-01, :on 950526,primary Containment Makeup Nitrogen Flow Monitoring Surveillance Missed Due to Personnel Error. Applicable Surveillance Tp (ST-40D) Change to Provide Alternate Means of Monitoring Subj Flow
page: https://kanterella.com/05000333/LER-2D1995-2D012-2D01-2C_-3Aon_950526-2Cprimary_Containment_Makeup_Nitrogen_Flow_Monitoring_Surveillance_Missed_Due_to_Personnel_Error._Applicable_Surveillance_Tp_-28ST…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1995-012-01, :on 950526,primary Containment Makeup Nitrogen Flow Monitoring Surveillance Missed Due to Personnel Error. Applicable Surveillance Tp (ST-40D) Change to Provide Alternate Means of Monitoring Subj Flow

LER-1995-005, :on 950605,drywell-to-torus Portion of Primary Containment Vacuum Relief Sys Actuated.Caused by non- Established drywell-to-torus Atmosphere Differential Pressure.Addl Nitrogen Delivered
type: Subject
label: 05000293/LER-1995-005, :on 950605,drywell-to-torus Portion of Primary Containment Vacuum Relief Sys Actuated.Caused by non- Established drywell-to-torus Atmosphere Differential Pressure.Addl Nitrogen Delivered
page: https://kanterella.com/05000293/LER-2D1995-2D005-2C_-3Aon_950605-2Cdrywell-2Dto-2Dtorus_Portion_of_Primary_Containment_Vacuum_Relief_Sys_Actuated.Caused_by_non-2D_Established_drywell-2Dto-2Dtorus_Atmo…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1995-005, :on 950605,drywell-to-torus Portion of Primary Containment Vacuum Relief Sys Actuated.Caused by non- Established drywell-to-torus Atmosphere Differential Pressure.Addl Nitrogen Delivered

LER-1991-003, :on 910307,HPCI Sys Made Inoperable When Two HPCI Turbine Steam Exhaust Vacuum Breaker Containment Isolation Valves Discovered Closed.Caused by Loss of Fill Oil in Transmitter.Transmitter Replaced
type: Subject
label: 05000293/LER-1991-003, :on 910307,HPCI Sys Made Inoperable When Two HPCI Turbine Steam Exhaust Vacuum Breaker Containment Isolation Valves Discovered Closed.Caused by Loss of Fill Oil in Transmitter.Transmitter Replaced
page: https://kanterella.com/05000293/LER-2D1991-2D003-2C_-3Aon_910307-2CHPCI_Sys_Made_Inoperable_When_Two_HPCI_Turbine_Steam_Exhaust_Vacuum_Breaker_Containment_Isolation_Valves_Discovered_Closed.Caused_by_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1991-003, :on 910307,HPCI Sys Made Inoperable When Two HPCI Turbine Steam Exhaust Vacuum Breaker Containment Isolation Valves Discovered Closed.Caused by Loss of Fill Oil in Transmitter.Transmitter Replaced

LER-1984-004-06, :on 840316,five MSIV Found Leaking in Excess of Tech Spec Limits.Cause Undetermined.Repairs Will Be Completed & Leakages Brought within Tech Spec Requirements Prior to Cycle 8 Startup
type: Subject
label: 05000254/LER-1984-004-06, :on 840316,five MSIV Found Leaking in Excess of Tech Spec Limits.Cause Undetermined.Repairs Will Be Completed & Leakages Brought within Tech Spec Requirements Prior to Cycle 8 Startup
page: https://kanterella.com/05000254/LER-2D1984-2D004-2D06-2C_-3Aon_840316-2Cfive_MSIV_Found_Leaking_in_Excess_of_Tech_Spec_Limits.Cause_Undetermined.Repairs_Will_Be_Completed_-26_Leakages_Brought_within_T…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1984-004-06, :on 840316,five MSIV Found Leaking in Excess of Tech Spec Limits.Cause Undetermined.Repairs Will Be Completed & Leakages Brought within Tech Spec Requirements Prior to Cycle 8 Startup

LER-1995-004, :on 950324,drywell-to-torus Portion of Primary Containment Vaccuum Relief Sys Actuated While de-inerting Drywell.Caused by Deficiency in Approved Procedure Being Used.Revised Procedure to Correct Deficiency
type: Subject
label: 05000293/LER-1995-004, :on 950324,drywell-to-torus Portion of Primary Containment Vaccuum Relief Sys Actuated While de-inerting Drywell.Caused by Deficiency in Approved Procedure Being Used.Revised Procedure to Correct Deficiency
page: https://kanterella.com/05000293/LER-2D1995-2D004-2C_-3Aon_950324-2Cdrywell-2Dto-2Dtorus_Portion_of_Primary_Containment_Vaccuum_Relief_Sys_Actuated_While_de-2Dinerting_Drywell.Caused_by_Deficiency_in_A…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1995-004, :on 950324,drywell-to-torus Portion of Primary Containment Vaccuum Relief Sys Actuated While de-inerting Drywell.Caused by Deficiency in Approved Procedure Being Used.Revised Procedure to Correct Deficiency

03L-0:on 831105,during Reactor Bldg to Torus Vacuum Breaker Surveillance Dis 1600-3,valve 1601-20B Failed to Open.Caused by Failed Versa Solenoid Due to Dirt Contamination.Solenoid Replaced
type: Subject
label: 05000237/LER-1983-072-03, /03L-0:on 831105,during Reactor Bldg to Torus Vacuum Breaker Surveillance Dis 1600-3,valve 1601-20B Failed to Open.Caused by Failed Versa Solenoid Due to Dirt Contamination.Solenoid Replaced
page: https://kanterella.com/05000237/LER-2D1983-2D072-2D03-2C_/03L-2D0-3Aon_831105-2Cduring_Reactor_Bldg_to_Torus_Vacuum_Breaker_Surveillance_Dis_1600-2D3-2Cvalve_1601-2D20B_Failed_to_Open.Caused_by_Failed…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1983-072-03, /03L-0:on 831105,during Reactor Bldg to Torus Vacuum Breaker Surveillance Dis 1600-3,valve 1601-20B Failed to Open.Caused by Failed Versa Solenoid Due to Dirt Contamination.Solenoid Replaced

05000254/LER-1983-044-03, /03L-0:on 831026,pressure Switch 2 of PSI-1-1622A Actuated at 0.52 Psid,Exceeding Tech Spec Limit.Caused by Instrument Setpoint Drift.Switch Recalibr
type: Subject
page: https://kanterella.com/05000254/LER-2D1983-2D044-2D03-2C_/03L-2D0-3Aon_831026-2Cpressure_Switch_2_of_PSI-2D1-2D1622A_Actuated_at_0.52_Psid-2CExceeding_Tech_Spec_Limit.Caused_by_Instrument_Setpoint_Dri…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1983-044-03, /03L-0:on 831026,pressure Switch 2 of PSI-1-1622A Actuated at 0.52 Psid,Exceeding Tech Spec Limit.Caused by Instrument Setpoint Drift.Switch Recalibr

05000271/LER-1991-015, :on 910614,containment Isolation Valve Failed to Closed Due to Erosion/Corrosion & Displacement of screw- in Seat.Valve Repaired by Welding New Seat Into Valve Body
type: Subject
page: https://kanterella.com/05000271/LER-2D1991-2D015-2C_-3Aon_910614-2Ccontainment_Isolation_Valve_Failed_to_Closed_Due_to_Erosion/Corrosion_-26_Displacement_of_screw-2D_in_Seat.Valve_Repaired_by_Welding_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1991-015, :on 910614,containment Isolation Valve Failed to Closed Due to Erosion/Corrosion & Displacement of screw- in Seat.Valve Repaired by Welding New Seat Into Valve Body

03L-0:on 830923,while Inerting Primary Containment,Containment Oxygen Not Reduced to Tech Spec Requirement.Caused by Sample Response Time & Probable Source of Air in-leakage Through Compressor
type: Subject
label: 05000254/LER-1983-037-03, /03L-0:on 830923,while Inerting Primary Containment,Containment Oxygen Not Reduced to Tech Spec Requirement.Caused by Sample Response Time & Probable Source of Air in-leakage Through Compressor
page: https://kanterella.com/05000254/LER-2D1983-2D037-2D03-2C_/03L-2D0-3Aon_830923-2Cwhile_Inerting_Primary_Containment-2CContainment_Oxygen_Not_Reduced_to_Tech_Spec_Requirement.Caused_by_Sample_Response_T…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1983-037-03, /03L-0:on 830923,while Inerting Primary Containment,Containment Oxygen Not Reduced to Tech Spec Requirement.Caused by Sample Response Time & Probable Source of Air in-leakage Through Compressor

03L-0:on 830124,during Normal Operation,Drywell to Torus Low Differential Pressure Alarm Received.Caused by Valve CV-4316 Not Opening Properly Due to Inadequate Calibr. Design Review Initiated
type: Subject
label: 05000331/LER-1983-002-03, /03L-0:on 830124,during Normal Operation,Drywell to Torus Low Differential Pressure Alarm Received.Caused by Valve CV-4316 Not Opening Properly Due to Inadequate Calibr. Design Review Initiated
page: https://kanterella.com/05000331/LER-2D1983-2D002-2D03-2C_/03L-2D0-3Aon_830124-2Cduring_Normal_Operation-2CDrywell_to_Torus_Low_Differential_Pressure_Alarm_Received.Caused_by_Valve_CV-2D4316_Not_Openin…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1983-002-03, /03L-0:on 830124,during Normal Operation,Drywell to Torus Low Differential Pressure Alarm Received.Caused by Valve CV-4316 Not Opening Properly Due to Inadequate Calibr. Design Review Initiated

03L-0:on 830914,following Reactor Trip,Flow Control Valve (FCV) Failed to Close Upon Receipt of Feedwater Isolation Signal.Caused by Malfunctioning Solenoid Valve & FCV-1488 Restricted by Antirotation Device
type: Subject
label: 05000280/LER-1983-043-03, LER83-043/03L-0:on 830914,following Reactor Trip,Flow Control Valve (FCV) Failed to Close Upon Receipt of Feedwater Isolation Signal.Caused by Malfunctioning Solenoid Valve & FCV-1488 Restricted by Antirotation Device
page: https://kanterella.com/05000280/LER-2D1983-2D043-2D03-2C_LER83-2D043/03L-2D0-3Aon_830914-2Cfollowing_Reactor_Trip-2CFlow_Control_Valve_-28FCV-29_Failed_to_Close_Upon_Receipt_of_Feedwater_Isolation_Sig…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000280/LER-1983-043-03, LER83-043/03L-0:on 830914,following Reactor Trip,Flow Control Valve (FCV) Failed to Close Upon Receipt of Feedwater Isolation Signal.Caused by Malfunctioning Solenoid Valve & FCV-1488 Restricted by Antirotation Device

05000293/LER-1994-007, :on 941228,primary Containment Pressure Boundary Degraded Due to Uninstalled Instrument Plug.Caused by Personnel Error.Isolation Valves Will Be Installed on Selected Instruments
type: Subject
page: https://kanterella.com/05000293/LER-2D1994-2D007-2C_-3Aon_941228-2Cprimary_Containment_Pressure_Boundary_Degraded_Due_to_Uninstalled_Instrument_Plug.Caused_by_Personnel_Error.Isolation_Valves_Will_Be_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1994-007, :on 941228,primary Containment Pressure Boundary Degraded Due to Uninstalled Instrument Plug.Caused by Personnel Error.Isolation Valves Will Be Installed on Selected Instruments

Spare
type: Subject
label: 05000293/LER-1991-004, :on 910319,RCIC Sys Made Inoperable Due to Area Temp Switch Terminal Stripped During Quarterly Functional Test & Calibr.Caused by Repeating Torquing of Screws. Terminal Replaced W/Spare
page: https://kanterella.com/05000293/LER-2D1991-2D004-2C_-3Aon_910319-2CRCIC_Sys_Made_Inoperable_Due_to_Area_Temp_Switch_Terminal_Stripped_During_Quarterly_Functional_Test_-26_Calibr.Caused_by_Repeating_To…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1991-004, :on 910319,RCIC Sys Made Inoperable Due to Area Temp Switch Terminal Stripped During Quarterly Functional Test & Calibr.Caused by Repeating Torquing of Screws. Terminal Replaced W/Spare

03L-0:on 830520,differential Pressure Switch for Pressure Suppression chamber-reactor Bldg Vacuum Breakers Found Operating Above Tech Spec Limits.Caused by Switch Drift.Switch 2-PDIS-64-20 Recalibr
type: Subject
label: 05000260/LER-1983-027-03, /03L-0:on 830520,differential Pressure Switch for Pressure Suppression chamber-reactor Bldg Vacuum Breakers Found Operating Above Tech Spec Limits.Caused by Switch Drift.Switch 2-PDIS-64-20 Recalibr
page: https://kanterella.com/05000260/LER-2D1983-2D027-2D03-2C_/03L-2D0-3Aon_830520-2Cdifferential_Pressure_Switch_for_Pressure_Suppression_chamber-2Dreactor_Bldg_Vacuum_Breakers_Found_Operating_Above_Tech_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000260/LER-1983-027-03, /03L-0:on 830520,differential Pressure Switch for Pressure Suppression chamber-reactor Bldg Vacuum Breakers Found Operating Above Tech Spec Limits.Caused by Switch Drift.Switch 2-PDIS-64-20 Recalibr

ML20072B389
type: Subject
page: https://kanterella.com/ML20072B389
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20072B389

ML20138P395
type: Subject
page: https://kanterella.com/ML20138P395
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20138P395

ML20085H030
type: Subject
page: https://kanterella.com/ML20085H030
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20085H030

ML20195J553
type: Subject
page: https://kanterella.com/ML20195J553
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20195J553

03L-0:on 821124,while Performing ST 4.7.A-3 (Pressure Suppression Chamber Rx Bldg Vacuum Breakers), Pressure Switches PDIS-64-20 & 21 Had Setpoint Above Tech Spec Limit.Caused by Setpoint Drift.Switches Recalibr
type: Subject
label: 05000260/LER-1982-038-03, /03L-0:on 821124,while Performing ST 4.7.A-3 (Pressure Suppression Chamber Rx Bldg Vacuum Breakers), Pressure Switches PDIS-64-20 & 21 Had Setpoint Above Tech Spec Limit.Caused by Setpoint Drift.Switches Recalibr
page: https://kanterella.com/05000260/LER-2D1982-2D038-2D03-2C_/03L-2D0-3Aon_821124-2Cwhile_Performing_ST_4.7.A-2D3_-28Pressure_Suppression_Chamber_Rx_Bldg_Vacuum_Breakers-29-2C_Pressure_Switches_PDIS-2D64-…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000260/LER-1982-038-03, /03L-0:on 821124,while Performing ST 4.7.A-3 (Pressure Suppression Chamber Rx Bldg Vacuum Breakers), Pressure Switches PDIS-64-20 & 21 Had Setpoint Above Tech Spec Limit.Caused by Setpoint Drift.Switches Recalibr

New Valve Containing Design Improvements
type: Subject
label: 05000265/LER-1991-002-01, :on 910119,HPCI Steam Exhaust Check Valve Exceeded Tech Spec Leakage Rate.Caused by Degradation of Nordel Elastomer Valve Seat.Valve Replaced W/New Valve Containing Design Improvements
page: https://kanterella.com/05000265/LER-2D1991-2D002-2D01-2C_-3Aon_910119-2CHPCI_Steam_Exhaust_Check_Valve_Exceeded_Tech_Spec_Leakage_Rate.Caused_by_Degradation_of_Nordel_Elastomer_Valve_Seat.Valve_Replac…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1991-002-01, :on 910119,HPCI Steam Exhaust Check Valve Exceeded Tech Spec Leakage Rate.Caused by Degradation of Nordel Elastomer Valve Seat.Valve Replaced W/New Valve Containing Design Improvements

05000219/LER-1982-056-01, /01T-0:on 821120,output Breaker for A2 24-volt Dc Battery Charger Tripped.Caused by Setpoint Drift of Overvoltage Relay.Breaker Checked & Closed & Relay Setpoint Adjusted
type: Subject
page: https://kanterella.com/05000219/LER-2D1982-2D056-2D01-2C_/01T-2D0-3Aon_821120-2Coutput_Breaker_for_A2_24-2Dvolt_Dc_Battery_Charger_Tripped.Caused_by_Setpoint_Drift_of_Overvoltage_Relay.Breaker_Checked…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000219/LER-1982-056-01, /01T-0:on 821120,output Breaker for A2 24-volt Dc Battery Charger Tripped.Caused by Setpoint Drift of Overvoltage Relay.Breaker Checked & Closed & Relay Setpoint Adjusted

05000277/LER-1990-032, :on 901106,potential Loss of Primary Containment Occurred
type: Subject
page: https://kanterella.com/05000277/LER-2D1990-2D032-2C_-3Aon_901106-2Cpotential_Loss_of_Primary_Containment_Occurred
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1990-032, :on 901106,potential Loss of Primary Containment Occurred

03L-0:on 820825,temporary Change Procedure Authorized to Permit Simultaneous Operation Under Load of Two Diesel Generators During Surveillance Test,Potentially Reducing Degree of Redundancy.Test Procedure PTM-21 Changed
type: Subject
label: 05000247/LER-1982-036-03, /03L-0:on 820825,temporary Change Procedure Authorized to Permit Simultaneous Operation Under Load of Two Diesel Generators During Surveillance Test,Potentially Reducing Degree of Redundancy.Test Procedure PTM-21 Changed
page: https://kanterella.com/05000247/LER-2D1982-2D036-2D03-2C_/03L-2D0-3Aon_820825-2Ctemporary_Change_Procedure_Authorized_to_Permit_Simultaneous_Operation_Under_Load_of_Two_Diesel_Generators_During_Survei…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000247/LER-1982-036-03, /03L-0:on 820825,temporary Change Procedure Authorized to Permit Simultaneous Operation Under Load of Two Diesel Generators During Surveillance Test,Potentially Reducing Degree of Redundancy.Test Procedure PTM-21 Changed

05000277/LER-1990-028, :on 900801,discovered Missed Surveillance on Drywell Suppression Chamber Vacuum Breaker
type: Subject
page: https://kanterella.com/05000277/LER-2D1990-2D028-2C_-3Aon_900801-2Cdiscovered_Missed_Surveillance_on_Drywell_Suppression_Chamber_Vacuum_Breaker
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1990-028, :on 900801,discovered Missed Surveillance on Drywell Suppression Chamber Vacuum Breaker

Reactor Power at 60-.Fuse Blew in Feedwater Control Circuit Power Supply Causing Feedwater Regulating Valves to Lockup.Trip Linkage Repaired
type: Subject
label: 05000293/LER-1990-013, :on 900902,unplanned Manual Reactor Scram Initiated W/Reactor Power at 60%.Fuse Blew in Feedwater Control Circuit Power Supply Causing Feedwater Regulating Valves to Lockup.Trip Linkage Repaired
page: https://kanterella.com/05000293/LER-2D1990-2D013-2C_-3Aon_900902-2Cunplanned_Manual_Reactor_Scram_Initiated_W/Reactor_Power_at_60-.Fuse_Blew_in_Feedwater_Control_Circuit_Power_Supply_Causing_Feedwater…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1990-013, :on 900902,unplanned Manual Reactor Scram Initiated W/Reactor Power at 60%.Fuse Blew in Feedwater Control Circuit Power Supply Causing Feedwater Regulating Valves to Lockup.Trip Linkage Repaired

05000271/LER-1990-012, :on 900903,App J,Type B & C Failure Occurred Due to Excessive Leakage of Seat.Seat Replaced W/Nordel Seat
type: Subject
page: https://kanterella.com/05000271/LER-2D1990-2D012-2C_-3Aon_900903-2CApp_J-2CType_B_-26_C_Failure_Occurred_Due_to_Excessive_Leakage_of_Seat.Seat_Replaced_W/Nordel_Seat
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1990-012, :on 900903,App J,Type B & C Failure Occurred Due to Excessive Leakage of Seat.Seat Replaced W/Nordel Seat

03L-0:on 820718,reactor Water Cleanup Sys Primary Containment Outboard Isolation Valve Opened While Sys Inoperable.Caused by Personnel Failure to Clear Outstanding Limiting Condition for Operation Prior to Opening Valve
type: Subject
label: 05000321/LER-1982-064-03, /03L-0:on 820718,reactor Water Cleanup Sys Primary Containment Outboard Isolation Valve Opened While Sys Inoperable.Caused by Personnel Failure to Clear Outstanding Limiting Condition for Operation Prior to Opening Valve
page: https://kanterella.com/05000321/LER-2D1982-2D064-2D03-2C_/03L-2D0-3Aon_820718-2Creactor_Water_Cleanup_Sys_Primary_Containment_Outboard_Isolation_Valve_Opened_While_Sys_Inoperable.Caused_by_Personnel_F…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1982-064-03, /03L-0:on 820718,reactor Water Cleanup Sys Primary Containment Outboard Isolation Valve Opened While Sys Inoperable.Caused by Personnel Failure to Clear Outstanding Limiting Condition for Operation Prior to Opening Valve

03L-0:on 820715,inboard Reactor Water Cleanup Primary Containment Isolation Valve Found Open in Presence of Isolation Signal.Caused by Loose Electrical Connection. Loose Connection Tightened
type: Subject
label: 05000321/LER-1982-063-03, /03L-0:on 820715,inboard Reactor Water Cleanup Primary Containment Isolation Valve Found Open in Presence of Isolation Signal.Caused by Loose Electrical Connection. Loose Connection Tightened
page: https://kanterella.com/05000321/LER-2D1982-2D063-2D03-2C_/03L-2D0-3Aon_820715-2Cinboard_Reactor_Water_Cleanup_Primary_Containment_Isolation_Valve_Found_Open_in_Presence_of_Isolation_Signal.Caused_by_L…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1982-063-03, /03L-0:on 820715,inboard Reactor Water Cleanup Primary Containment Isolation Valve Found Open in Presence of Isolation Signal.Caused by Loose Electrical Connection. Loose Connection Tightened

01T-0:on 820729,during Testing,Pressure Differential Switches Which Control Reactor Bldg to Suppression Chamber Vacuum Breakers CV-4304 & CV-4305 Tripped Out of Spec.Caused by Instrument Drift
type: Subject
label: 05000331/LER-1982-047-01, /01T-0:on 820729,during Testing,Pressure Differential Switches Which Control Reactor Bldg to Suppression Chamber Vacuum Breakers CV-4304 & CV-4305 Tripped Out of Spec.Caused by Instrument Drift
page: https://kanterella.com/05000331/LER-2D1982-2D047-2D01-2C_/01T-2D0-3Aon_820729-2Cduring_Testing-2CPressure_Differential_Switches_Which_Control_Reactor_Bldg_to_Suppression_Chamber_Vacuum_Breakers_CV-2D4…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1982-047-01, /01T-0:on 820729,during Testing,Pressure Differential Switches Which Control Reactor Bldg to Suppression Chamber Vacuum Breakers CV-4304 & CV-4305 Tripped Out of Spec.Caused by Instrument Drift

O Proper Review & Approval
type: Subject
label: 05000282/LER-1978-023-03, /03L-0 on 781130:during Pwr Oper & Relay Test at Refueling,Safeguards Bus 16 Inadvertently Was Locked Out of Svc for About 2 Minutes,Caused by Appl of Elec Jumper W/O Proper Review & Approval
page: https://kanterella.com/05000282/LER-2D1978-2D023-2D03-2C_/03L-2D0_on_781130-3Aduring_Pwr_Oper_-26_Relay_Test_at_Refueling-2CSafeguards_Bus_16_Inadvertently_Was_Locked_Out_of_Svc_for_About_2_Minutes-2C…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000282/LER-1978-023-03, /03L-0 on 781130:during Pwr Oper & Relay Test at Refueling,Safeguards Bus 16 Inadvertently Was Locked Out of Svc for About 2 Minutes,Caused by Appl of Elec Jumper W/O Proper Review & Approval

01T-0 on 781019:unit 3 Containment Oxygen Concentration Had Increased to 0.1- Above 4 Percent Limit of Tech Spec 3.7.A.5.Caused by Open Air back-up Valves in Inoperable Instru Nitrogen Compressor
type: Subject
label: 05000277/LER-1978-020-01, /01T-0 on 781019:unit 3 Containment Oxygen Concentration Had Increased to 0.1% Above 4 Percent Limit of Tech Spec 3.7.A.5.Caused by Open Air back-up Valves in Inoperable Instru Nitrogen Compressor
page: https://kanterella.com/05000277/LER-2D1978-2D020-2D01-2C_/01T-2D0_on_781019-3Aunit_3_Containment_Oxygen_Concentration_Had_Increased_to_0.1-_Above_4_Percent_Limit_of_Tech_Spec_3.7.A.5.Caused_by_Open_Ai…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1978-020-01, /01T-0 on 781019:unit 3 Containment Oxygen Concentration Had Increased to 0.1% Above 4 Percent Limit of Tech Spec 3.7.A.5.Caused by Open Air back-up Valves in Inoperable Instru Nitrogen Compressor

LER-1993-033, :on 931011,primary Containment Declared Inoperable & Plant Placed in Lco,Per TS 3.7.A.2,loss of Containment Integrity.Caused by Design Deficiency.Design Mods & Licensing Basis Revs Evaluated
type: Subject
label: 05000298/LER-1993-033, :on 931011,primary Containment Declared Inoperable & Plant Placed in Lco,Per TS 3.7.A.2,loss of Containment Integrity.Caused by Design Deficiency.Design Mods & Licensing Basis Revs Evaluated
page: https://kanterella.com/05000298/LER-2D1993-2D033-2C_-3Aon_931011-2Cprimary_Containment_Declared_Inoperable_-26_Plant_Placed_in_Lco-2CPer_TS_3.7.A.2-2Closs_of_Containment_Integrity.Caused_by_Design_Def…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000298/LER-1993-033, :on 931011,primary Containment Declared Inoperable & Plant Placed in Lco,Per TS 3.7.A.2,loss of Containment Integrity.Caused by Design Deficiency.Design Mods & Licensing Basis Revs Evaluated

LER-1993-024, :on 930930,determined MO-2301-5 Had Inadequate Thrust to Perform Designed Closing Function.Caused by Running Efficiency Used in Valve Thrust Calculation. Modified Motor Pinion Gearing
type: Subject
label: 05000293/LER-1993-024, :on 930930,determined MO-2301-5 Had Inadequate Thrust to Perform Designed Closing Function.Caused by Running Efficiency Used in Valve Thrust Calculation. Modified Motor Pinion Gearing
page: https://kanterella.com/05000293/LER-2D1993-2D024-2C_-3Aon_930930-2Cdetermined_MO-2D2301-2D5_Had_Inadequate_Thrust_to_Perform_Designed_Closing_Function.Caused_by_Running_Efficiency_Used_in_Valve_Thrust…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1993-024, :on 930930,determined MO-2301-5 Had Inadequate Thrust to Perform Designed Closing Function.Caused by Running Efficiency Used in Valve Thrust Calculation. Modified Motor Pinion Gearing

LER-1993-022, :on 930910,simultaneous Loss of Preferred Offsite Power & Automatic Scram Resulting from Load Rejection Occurred.Caused by Load Rejection.Switchyard Walked Down for Evidence of Damage
type: Subject
label: 05000293/LER-1993-022, :on 930910,simultaneous Loss of Preferred Offsite Power & Automatic Scram Resulting from Load Rejection Occurred.Caused by Load Rejection.Switchyard Walked Down for Evidence of Damage
page: https://kanterella.com/05000293/LER-2D1993-2D022-2C_-3Aon_930910-2Csimultaneous_Loss_of_Preferred_Offsite_Power_-26_Automatic_Scram_Resulting_from_Load_Rejection_Occurred.Caused_by_Load_Rejection.Swit…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1993-022, :on 930910,simultaneous Loss of Preferred Offsite Power & Automatic Scram Resulting from Load Rejection Occurred.Caused by Load Rejection.Switchyard Walked Down for Evidence of Damage

03L-0:on 820306,during Normal Startup,Pressure Suppression Pool Water Level Was Found 0.4 Inches Below Tech Spec Limit.Caused by Personnel Error.Water Level Corrected.Tech Spec Changes Considered
type: Subject
label: 05000333/LER-1982-006-03, /03L-0:on 820306,during Normal Startup,Pressure Suppression Pool Water Level Was Found 0.4 Inches Below Tech Spec Limit.Caused by Personnel Error.Water Level Corrected.Tech Spec Changes Considered
page: https://kanterella.com/05000333/LER-2D1982-2D006-2D03-2C_/03L-2D0-3Aon_820306-2Cduring_Normal_Startup-2CPressure_Suppression_Pool_Water_Level_Was_Found_0.4_Inches_Below_Tech_Spec_Limit.Caused_by_Perso…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1982-006-03, /03L-0:on 820306,during Normal Startup,Pressure Suppression Pool Water Level Was Found 0.4 Inches Below Tech Spec Limit.Caused by Personnel Error.Water Level Corrected.Tech Spec Changes Considered

HL-3359, Forwards Application for Amends to Licenses DPR-57 & NPF-5, Revising TS to Allow One or More Suppression Chamber - Drywell Vacuum Breakers to Open During Surveillance Testing
type: Subject
page: https://kanterella.com/HL-2D3359-2C_Forwards_Application_for_Amends_to_Licenses_DPR-2D57_-26_NPF-2D5-2C_Revising_TS_to_Allow_One_or_More_Suppression_Chamber_-2D_Drywell_Vacuum_Breakers_to_Open_During_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: HL-3359, Forwards Application for Amends to Licenses DPR-57 & NPF-5, Revising TS to Allow One or More Suppression Chamber - Drywell Vacuum Breakers to Open During Surveillance Testing

05000293/LER-1990-007, :on 900507,discovered That Drywell to Suppression Chamber Vacuum Breaker Surveillance Not Performed Prior to Startup in 1988.Caused by Misunderstanding of Requirements
type: Subject
page: https://kanterella.com/05000293/LER-2D1990-2D007-2C_-3Aon_900507-2Cdiscovered_That_Drywell_to_Suppression_Chamber_Vacuum_Breaker_Surveillance_Not_Performed_Prior_to_Startup_in_1988.Caused_by_Misunders…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1990-007, :on 900507,discovered That Drywell to Suppression Chamber Vacuum Breaker Surveillance Not Performed Prior to Startup in 1988.Caused by Misunderstanding of Requirements

JPN-93-046, Proposed Tech Specs 3.7.A,changing Torus Vent Submergence Levels & Insp Intervals
type: Subject
page: https://kanterella.com/JPN-2D93-2D046-2C_Proposed_Tech_Specs_3.7.A-2Cchanging_Torus_Vent_Submergence_Levels_-26_Insp_Intervals
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: JPN-93-046, Proposed Tech Specs 3.7.A,changing Torus Vent Submergence Levels & Insp Intervals

ML20044A211
type: Subject
page: https://kanterella.com/ML20044A211
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20044A211

05000277/LER-1982-001-03, /03L-0:on 820123,during Startup,Local Leak Rate Test of Drywell Airlock Revealed Excess Leakage.Caused by Damaged Garlock Door Gaskets.Gaskets Replaced & Leak Rate Tested
type: Subject
page: https://kanterella.com/05000277/LER-2D1982-2D001-2D03-2C_/03L-2D0-3Aon_820123-2Cduring_Startup-2CLocal_Leak_Rate_Test_of_Drywell_Airlock_Revealed_Excess_Leakage.Caused_by_Damaged_Garlock_Door_Gaskets.…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1982-001-03, /03L-0:on 820123,during Startup,Local Leak Rate Test of Drywell Airlock Revealed Excess Leakage.Caused by Damaged Garlock Door Gaskets.Gaskets Replaced & Leak Rate Tested

03L-0:on 811223,pressure Differential Switch Which Controls Reactor Bldg to Suppression Chamber Vacuum Breaker Cv 4305 Tripped at Out of Tech Spec Value.Caused by Instrument Drift.Switch Recalibr & Functionally Tested
type: Subject
label: 05000331/LER-1981-048-03, /03L-0:on 811223,pressure Differential Switch Which Controls Reactor Bldg to Suppression Chamber Vacuum Breaker Cv 4305 Tripped at Out of Tech Spec Value.Caused by Instrument Drift.Switch Recalibr & Functionally Tested
page: https://kanterella.com/05000331/LER-2D1981-2D048-2D03-2C_/03L-2D0-3Aon_811223-2Cpressure_Differential_Switch_Which_Controls_Reactor_Bldg_to_Suppression_Chamber_Vacuum_Breaker_Cv_4305_Tripped_at_Out_of…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1981-048-03, /03L-0:on 811223,pressure Differential Switch Which Controls Reactor Bldg to Suppression Chamber Vacuum Breaker Cv 4305 Tripped at Out of Tech Spec Value.Caused by Instrument Drift.Switch Recalibr & Functionally Tested

05000260/LER-1981-058, Forwards Updated LER 81-058/03X-1
type: Subject
page: https://kanterella.com/05000260/LER-2D1981-2D058-2C_Forwards_Updated_LER_81-2D058/03X-2D1
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000260/LER-1981-058, Forwards Updated LER 81-058/03X-1

IR 05000219/1981019
type: Subject
page: https://kanterella.com/IR_05000219/1981019
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000219/1981019

05000286/LER-1981-009-03, /03L-0:on 811110,battery Charger 31 Tripped.Cause Not specified.Delta-P Air Flow Sensing Switch Replaced
type: Subject
page: https://kanterella.com/05000286/LER-2D1981-2D009-2D03-2C_/03L-2D0-3Aon_811110-2Cbattery_Charger_31_Tripped.Cause_Not_specified.Delta-2DP_Air_Flow_Sensing_Switch_Replaced
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000286/LER-1981-009-03, /03L-0:on 811110,battery Charger 31 Tripped.Cause Not specified.Delta-P Air Flow Sensing Switch Replaced

03L-0:on 811030,following Reactor Startup,Drywell Oxygen Concentration Not Reduced to Less than 4- within 24-h of Mode Switch Being Placed in Run.Caused by Inoperable Auxiliary Boiler Feed Pumps
type: Subject
label: 05000331/LER-1981-038-03, /03L-0:on 811030,following Reactor Startup,Drywell Oxygen Concentration Not Reduced to Less than 4% within 24-h of Mode Switch Being Placed in Run.Caused by Inoperable Auxiliary Boiler Feed Pumps
page: https://kanterella.com/05000331/LER-2D1981-2D038-2D03-2C_/03L-2D0-3Aon_811030-2Cfollowing_Reactor_Startup-2CDrywell_Oxygen_Concentration_Not_Reduced_to_Less_than_4-_within_24-2Dh_of_Mode_Switch_Being_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1981-038-03, /03L-0:on 811030,following Reactor Startup,Drywell Oxygen Concentration Not Reduced to Less than 4% within 24-h of Mode Switch Being Placed in Run.Caused by Inoperable Auxiliary Boiler Feed Pumps

IR 05000245/1993013
type: Subject
page: https://kanterella.com/IR_05000245/1993013
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000245/1993013

LER-1993-004, :on 930313,automatic Scram Occurred Resulting from Load Rejection During Severe Coastal Storm While at 100- Power.Caused by Environ Effects of Storm.Trip Settings of Main Input Circuit Breakers Increased
type: Subject
label: 05000293/LER-1993-004, :on 930313,automatic Scram Occurred Resulting from Load Rejection During Severe Coastal Storm While at 100% Power.Caused by Environ Effects of Storm.Trip Settings of Main Input Circuit Breakers Increased
page: https://kanterella.com/05000293/LER-2D1993-2D004-2C_-3Aon_930313-2Cautomatic_Scram_Occurred_Resulting_from_Load_Rejection_During_Severe_Coastal_Storm_While_at_100-_Power.Caused_by_Environ_Effects_of_S…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1993-004, :on 930313,automatic Scram Occurred Resulting from Load Rejection During Severe Coastal Storm While at 100% Power.Caused by Environ Effects of Storm.Trip Settings of Main Input Circuit Breakers Increased

IR 05000245/1993005
type: Subject
page: https://kanterella.com/IR_05000245/1993005
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000245/1993005

B14396, Proposed TS 3.7.A.2 Re Drywell to Suppression Chamber Differential Pressure
type: Subject
page: https://kanterella.com/B14396-2C_Proposed_TS_3.7.A.2_Re_Drywell_to_Suppression_Chamber_Differential_Pressure
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: B14396, Proposed TS 3.7.A.2 Re Drywell to Suppression Chamber Differential Pressure

IR 05000333/1992027
type: Subject
page: https://kanterella.com/IR_05000333/1992027
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000333/1992027

05000259/LER-1981-056, Forwards LER 81-056/03L-0
type: Subject
page: https://kanterella.com/05000259/LER-2D1981-2D056-2C_Forwards_LER_81-2D056/03L-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000259/LER-1981-056, Forwards LER 81-056/03L-0

03L-0:on 810723,during Suppression Chamber to Reactor Bldg Vacuum Breakers Test,Valve AO-1-1601-20 Failed to Operate.Caused by Defective Solenoid Valve SO-1-1601-50B. Solenoid Replaced
type: Subject
label: 05000254/LER-1981-014-03, /03L-0:on 810723,during Suppression Chamber to Reactor Bldg Vacuum Breakers Test,Valve AO-1-1601-20 Failed to Operate.Caused by Defective Solenoid Valve SO-1-1601-50B. Solenoid Replaced
page: https://kanterella.com/05000254/LER-2D1981-2D014-2D03-2C_/03L-2D0-3Aon_810723-2Cduring_Suppression_Chamber_to_Reactor_Bldg_Vacuum_Breakers_Test-2CValve_AO-2D1-2D1601-2D20_Failed_to_Operate.Caused_by_D…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1981-014-03, /03L-0:on 810723,during Suppression Chamber to Reactor Bldg Vacuum Breakers Test,Valve AO-1-1601-20 Failed to Operate.Caused by Defective Solenoid Valve SO-1-1601-50B. Solenoid Replaced

Nitrogen Brought Concentration Below 5-
type: Subject
label: 05000245/LER-1981-017-03, /03L-0:on 810620,oxygen Level in Torus Exceeded Tech Specs.Caused by Primary Containment Not Being Inerted within Required Time Period Due to Inadequate Nitrogen Supply.Inerting W/Nitrogen Brought Concentration Below 5%
page: https://kanterella.com/05000245/LER-2D1981-2D017-2D03-2C_/03L-2D0-3Aon_810620-2Coxygen_Level_in_Torus_Exceeded_Tech_Specs.Caused_by_Primary_Containment_Not_Being_Inerted_within_Required_Time_Period_Du…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000245/LER-1981-017-03, /03L-0:on 810620,oxygen Level in Torus Exceeded Tech Specs.Caused by Primary Containment Not Being Inerted within Required Time Period Due to Inadequate Nitrogen Supply.Inerting W/Nitrogen Brought Concentration Below 5%

ML20035F393
type: Subject
page: https://kanterella.com/ML20035F393
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20035F393

03L-0:on 821123,diesel Generator D1 Inoperable for Approx 4 Minutes After Lockout of Engine Shutdown Circuit Occurred.Probably Caused by Sticky Action of Speed Switch.Further Exam of Circuitry Will Be Performed
type: Subject
label: 05000306/LER-1982-024-03, /03L-0:on 821123,diesel Generator D1 Inoperable for Approx 4 Minutes After Lockout of Engine Shutdown Circuit Occurred.Probably Caused by Sticky Action of Speed Switch.Further Exam of Circuitry Will Be Performed
page: https://kanterella.com/05000306/LER-2D1982-2D024-2D03-2C_/03L-2D0-3Aon_821123-2Cdiesel_Generator_D1_Inoperable_for_Approx_4_Minutes_After_Lockout_of_Engine_Shutdown_Circuit_Occurred.Probably_Caused_by…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000306/LER-1982-024-03, /03L-0:on 821123,diesel Generator D1 Inoperable for Approx 4 Minutes After Lockout of Engine Shutdown Circuit Occurred.Probably Caused by Sticky Action of Speed Switch.Further Exam of Circuitry Will Be Performed

03L-0:on 820818,during Calibr of Differential Pressure Switch That Initiates Pressure Suppression Chamber to Reactor Bldg Vacuum Breakers,Switch 1-PDIS-64-21 Operated Above Tech Specs.Caused by Calibr Drift.Switch Recalibr
type: Subject
label: 05000259/LER-1982-059-03, /03L-0:on 820818,during Calibr of Differential Pressure Switch That Initiates Pressure Suppression Chamber to Reactor Bldg Vacuum Breakers,Switch 1-PDIS-64-21 Operated Above Tech Specs.Caused by Calibr Drift.Switch Recalibr
page: https://kanterella.com/05000259/LER-2D1982-2D059-2D03-2C_/03L-2D0-3Aon_820818-2Cduring_Calibr_of_Differential_Pressure_Switch_That_Initiates_Pressure_Suppression_Chamber_to_Reactor_Bldg_Vacuum_Breaker…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000259/LER-1982-059-03, /03L-0:on 820818,during Calibr of Differential Pressure Switch That Initiates Pressure Suppression Chamber to Reactor Bldg Vacuum Breakers,Switch 1-PDIS-64-21 Operated Above Tech Specs.Caused by Calibr Drift.Switch Recalibr

IR 05000333/1982019
type: Subject
page: https://kanterella.com/IR_05000333/1982019
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000333/1982019

16-inch Hole Found on Bellows Seal on Torus to Drywell Vacuum Breaker Line Containing Breakers 2-1601-32A & B.Cavity Filled to Original Thickness & Surface Buffed
type: Subject
label: 05000237/LER-1983-055-01, /01T-0:on 830719,one 1/8 by 1/16-inch Hole Found on Bellows Seal on Torus to Drywell Vacuum Breaker Line Containing Breakers 2-1601-32A & B.Cavity Filled to Original Thickness & Surface Buffed
page: https://kanterella.com/05000237/LER-2D1983-2D055-2D01-2C_/01T-2D0-3Aon_830719-2Cone_1/8_by_1/16-2Dinch_Hole_Found_on_Bellows_Seal_on_Torus_to_Drywell_Vacuum_Breaker_Line_Containing_Breakers_2-2D1601-2…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1983-055-01, /01T-0:on 830719,one 1/8 by 1/16-inch Hole Found on Bellows Seal on Torus to Drywell Vacuum Breaker Line Containing Breakers 2-1601-32A & B.Cavity Filled to Original Thickness & Surface Buffed

Carbon Steel Springs
type: Subject
label: 05000265/LER-1990-003-02, :on 900205,determined That Leakage Rate for HPCI Sys Steam Exhaust Check Valve Exceeded Tech Spec Limits.Caused by Excessive Leakage.Check Valve Replaced W/ Mission Check Valve W/Carbon Steel Springs
page: https://kanterella.com/05000265/LER-2D1990-2D003-2D02-2C_-3Aon_900205-2Cdetermined_That_Leakage_Rate_for_HPCI_Sys_Steam_Exhaust_Check_Valve_Exceeded_Tech_Spec_Limits.Caused_by_Excessive_Leakage.Check_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1990-003-02, :on 900205,determined That Leakage Rate for HPCI Sys Steam Exhaust Check Valve Exceeded Tech Spec Limits.Caused by Excessive Leakage.Check Valve Replaced W/ Mission Check Valve W/Carbon Steel Springs

05000278/LER-1981-014, Forwards LER 81-014/01T-0.Detailed Event Analysis Submitted
type: Subject
page: https://kanterella.com/05000278/LER-2D1981-2D014-2C_Forwards_LER_81-2D014/01T-2D0.Detailed_Event_Analysis_Submitted
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000278/LER-1981-014, Forwards LER 81-014/01T-0.Detailed Event Analysis Submitted

03L-0:on 810902,during Removal of Radioactive Matl from Fuel Pool,Containment Atmosphere Dilution Sys Analyzers Failed & Drywell to Torus Delta P Dropped Below Spec.Caused by High Radiation Levels
type: Subject
label: 05000321/LER-1981-087-03, /03L-0:on 810902,during Removal of Radioactive Matl from Fuel Pool,Containment Atmosphere Dilution Sys Analyzers Failed & Drywell to Torus Delta P Dropped Below Spec.Caused by High Radiation Levels
page: https://kanterella.com/05000321/LER-2D1981-2D087-2D03-2C_/03L-2D0-3Aon_810902-2Cduring_Removal_of_Radioactive_Matl_from_Fuel_Pool-2CContainment_Atmosphere_Dilution_Sys_Analyzers_Failed_-26_Drywell_to_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1981-087-03, /03L-0:on 810902,during Removal of Radioactive Matl from Fuel Pool,Containment Atmosphere Dilution Sys Analyzers Failed & Drywell to Torus Delta P Dropped Below Spec.Caused by High Radiation Levels

03L-0:on 810823,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Valve 2-1601-32C Failed to Indicate Fully Closed.Caused by Misalignment of Position Indication Limit Switches
type: Subject
label: 05000265/LER-1981-015-03, /03L-0:on 810823,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Valve 2-1601-32C Failed to Indicate Fully Closed.Caused by Misalignment of Position Indication Limit Switches
page: https://kanterella.com/05000265/LER-2D1981-2D015-2D03-2C_/03L-2D0-3Aon_810823-2Cwhile_Performing_Suppression_Chamber_to_Drywell_Vacuum_Breaker_Monthly_Exercise-2CValve_2-2D1601-2D32C_Failed_to_Indicat…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1981-015-03, /03L-0:on 810823,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Valve 2-1601-32C Failed to Indicate Fully Closed.Caused by Misalignment of Position Indication Limit Switches

03L-0:on 810724,both Primary Containment dihydrogen-dioxide Analyzers Found to Be Reading Lower than Actual Concentration of Dioxide.Caused by Component Drift. Hays Analyzers Recalibr
type: Subject
label: 05000321/LER-1981-080-03, /03L-0:on 810724,both Primary Containment dihydrogen-dioxide Analyzers Found to Be Reading Lower than Actual Concentration of Dioxide.Caused by Component Drift. Hays Analyzers Recalibr
page: https://kanterella.com/05000321/LER-2D1981-2D080-2D03-2C_/03L-2D0-3Aon_810724-2Cboth_Primary_Containment_dihydrogen-2Ddioxide_Analyzers_Found_to_Be_Reading_Lower_than_Actual_Concentration_of_Dioxide.C…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1981-080-03, /03L-0:on 810724,both Primary Containment dihydrogen-dioxide Analyzers Found to Be Reading Lower than Actual Concentration of Dioxide.Caused by Component Drift. Hays Analyzers Recalibr

IR 05000219/1981014
type: Subject
page: https://kanterella.com/IR_05000219/1981014
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000219/1981014

reactors at Full Power,Both Diesel Generators Inadvertently Out of Svc for Approx 11 Minutes.Caused by Inadequate Test Procedure & Inadequate Operator Training.Licensee Will Take Corrective Action
type: Subject
label: PNO-III-81-071, on 810812,w/reactors at Full Power,Both Diesel Generators Inadvertently Out of Svc for Approx 11 Minutes.Caused by Inadequate Test Procedure & Inadequate Operator Training.Licensee Will Take Corrective Action
page: https://kanterella.com/PNO-2DIII-2D81-2D071-2C_on_810812-2Cw/reactors_at_Full_Power-2CBoth_Diesel_Generators_Inadvertently_Out_of_Svc_for_Approx_11_Minutes.Caused_by_Inadequate_Test_Procedure_-26_Inad…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: PNO-III-81-071, on 810812,w/reactors at Full Power,Both Diesel Generators Inadvertently Out of Svc for Approx 11 Minutes.Caused by Inadequate Test Procedure & Inadequate Operator Training.Licensee Will Take Corrective Action

ML20012E940
type: Subject
page: https://kanterella.com/ML20012E940
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20012E940

Mode Switch in Run.Caused by Personnel Error.Operating Procedures DOP-1600-5 & DOP 1600-6 Revised & Guidance Under Development
type: Subject
label: 05000249/LER-1986-026-03, :on 860911,drywell Oxygen Content Exceeded 4% for Greater than 24 H W/Mode Switch in Run.Caused by Personnel Error.Operating Procedures DOP-1600-5 & DOP 1600-6 Revised & Guidance Under Development
page: https://kanterella.com/05000249/LER-2D1986-2D026-2D03-2C_-3Aon_860911-2Cdrywell_Oxygen_Content_Exceeded_4-_for_Greater_than_24_H_W/Mode_Switch_in_Run.Caused_by_Personnel_Error.Operating_Procedures_DOP…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000249/LER-1986-026-03, :on 860911,drywell Oxygen Content Exceeded 4% for Greater than 24 H W/Mode Switch in Run.Caused by Personnel Error.Operating Procedures DOP-1600-5 & DOP 1600-6 Revised & Guidance Under Development

ML20033F076
type: Subject
page: https://kanterella.com/ML20033F076
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20033F076

ML20035F370
type: Subject
page: https://kanterella.com/ML20035F370
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20035F370

IR 05000259/1981035
type: Subject
page: https://kanterella.com/IR_05000259/1981035
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000259/1981035

ML20044D931
type: Subject
page: https://kanterella.com/ML20044D931
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20044D931

ML20033B639
type: Subject
page: https://kanterella.com/ML20033B639
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20033B639

ML20039H275
type: Subject
page: https://kanterella.com/ML20039H275
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20039H275

ML20041D200
type: Subject
page: https://kanterella.com/ML20041D200
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20041D200

ML20198M822
type: Subject
page: https://kanterella.com/ML20198M822
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20198M822

ML20034H665
type: Subject
page: https://kanterella.com/ML20034H665
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20034H665

ML20011E260
type: Subject
page: https://kanterella.com/ML20011E260
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20011E260

05000333/LER-1981-044-03, /03L-0:on 810601,w/oxygen Analyzer B Out of Svc, Drywell Oxygen Analyzer a Found Indicating Downscale.Caused by Instrument Drift.Calibr Restored Instrument to Svc
type: Subject
page: https://kanterella.com/05000333/LER-2D1981-2D044-2D03-2C_/03L-2D0-3Aon_810601-2Cw/oxygen_Analyzer_B_Out_of_Svc-2C_Drywell_Oxygen_Analyzer_a_Found_Indicating_Downscale.Caused_by_Instrument_Drift.Calibr…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1981-044-03, /03L-0:on 810601,w/oxygen Analyzer B Out of Svc, Drywell Oxygen Analyzer a Found Indicating Downscale.Caused by Instrument Drift.Calibr Restored Instrument to Svc

03L-0:on 810312,differential Pressure Between Drywell & Suppression Chamber Was Lost.Caused by Isolation of Differential Pressure Sys Due to Short in Electrical Circuit Resulting in Blown Fuse.Fuse Replaced
type: Subject
label: 05000265/LER-1981-006-03, /03L-0:on 810312,differential Pressure Between Drywell & Suppression Chamber Was Lost.Caused by Isolation of Differential Pressure Sys Due to Short in Electrical Circuit Resulting in Blown Fuse.Fuse Replaced
page: https://kanterella.com/05000265/LER-2D1981-2D006-2D03-2C_/03L-2D0-3Aon_810312-2Cdifferential_Pressure_Between_Drywell_-26_Suppression_Chamber_Was_Lost.Caused_by_Isolation_of_Differential_Pressure_Sys_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1981-006-03, /03L-0:on 810312,differential Pressure Between Drywell & Suppression Chamber Was Lost.Caused by Isolation of Differential Pressure Sys Due to Short in Electrical Circuit Resulting in Blown Fuse.Fuse Replaced

IR 05000293/1989013
type: Subject
page: https://kanterella.com/IR_05000293/1989013
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000293/1989013

ML041280490
type: Subject
page: https://kanterella.com/ML041280490
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML041280490

ML20006E073
type: Subject
page: https://kanterella.com/ML20006E073
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20006E073

ML20006E071
type: Subject
page: https://kanterella.com/ML20006E071
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20006E071

ML20023B768
type: Subject
page: https://kanterella.com/ML20023B768
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20023B768

ML20031G146
type: Subject
page: https://kanterella.com/ML20031G146
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20031G146

ML20247J806
type: Subject
page: https://kanterella.com/ML20247J806
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20247J806

LER-1989-037, :on 891130,discovered That Traversing in-core Probe Ball Valve,Mfg by Consolidated Controls,Inc,Closed,In Violation of Tech Specs.Caused by Damage to Valve Stem.Ball Valve & Actuator Replaced
type: Subject
label: 05000293/LER-1989-037, :on 891130,discovered That Traversing in-core Probe Ball Valve,Mfg by Consolidated Controls,Inc,Closed,In Violation of Tech Specs.Caused by Damage to Valve Stem.Ball Valve & Actuator Replaced
page: https://kanterella.com/05000293/LER-2D1989-2D037-2C_-3Aon_891130-2Cdiscovered_That_Traversing_in-2Dcore_Probe_Ball_Valve-2CMfg_by_Consolidated_Controls-2CInc-2CClosed-2CIn_Violation_of_Tech_Specs.Caus…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1989-037, :on 891130,discovered That Traversing in-core Probe Ball Valve,Mfg by Consolidated Controls,Inc,Closed,In Violation of Tech Specs.Caused by Damage to Valve Stem.Ball Valve & Actuator Replaced

05000331/LER-1981-020-01, /01T-0:on 810527,primary Containment Integrity Breached When Inner & Outer Airlock Doors Were Open Simultaneously While H/P Technician Exited Drywell.Cause Unknown
type: Subject
page: https://kanterella.com/05000331/LER-2D1981-2D020-2D01-2C_/01T-2D0-3Aon_810527-2Cprimary_Containment_Integrity_Breached_When_Inner_-26_Outer_Airlock_Doors_Were_Open_Simultaneously_While_H/P_Technician_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000331/LER-1981-020-01, /01T-0:on 810527,primary Containment Integrity Breached When Inner & Outer Airlock Doors Were Open Simultaneously While H/P Technician Exited Drywell.Cause Unknown

NG-93-5124, Revises 911211 Response to NRC Position on Operability of safety-related Dual Function Valves & Withdraws Commitment Made in .Basis for Withdrawal of 911211 Commitment to Adopt NRC Position on Operability of Subj Valves Encl
type: Subject
page: https://kanterella.com/NG-2D93-2D5124-2C_Revises_911211_Response_to_NRC_Position_on_Operability_of_safety-2Drelated_Dual_Function_Valves_-26_Withdraws_Commitment_Made_in_.Basis_for_Withdrawal_of_91121…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: NG-93-5124, Revises 911211 Response to NRC Position on Operability of safety-related Dual Function Valves & Withdraws Commitment Made in .Basis for Withdrawal of 911211 Commitment to Adopt NRC Position on Operability of Subj Valves Encl

05000282/LER-1980-036-03, /03L:on 801105,battery Charger 12 Failed to Provide Normal Output.Caused by Firing Card B Not Providing Pulses to Fire B Phase Scr.Card Replaced
type: Subject
page: https://kanterella.com/05000282/LER-2D1980-2D036-2D03-2C_/03L-3Aon_801105-2Cbattery_Charger_12_Failed_to_Provide_Normal_Output.Caused_by_Firing_Card_B_Not_Providing_Pulses_to_Fire_B_Phase_Scr.Card_Rep…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000282/LER-1980-036-03, /03L:on 801105,battery Charger 12 Failed to Provide Normal Output.Caused by Firing Card B Not Providing Pulses to Fire B Phase Scr.Card Replaced

ML20199G177
type: Subject
page: https://kanterella.com/ML20199G177
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20199G177

05000333/LER-1981-032-03, /03L-0:on 810409,torus Water Level Decreased Below Tech Spec Limit While Containment Inerting Was in Progress. Caused by Personnel Error.Water Added to Torus
type: Subject
page: https://kanterella.com/05000333/LER-2D1981-2D032-2D03-2C_/03L-2D0-3Aon_810409-2Ctorus_Water_Level_Decreased_Below_Tech_Spec_Limit_While_Containment_Inerting_Was_in_Progress._Caused_by_Personnel_Error.…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1981-032-03, /03L-0:on 810409,torus Water Level Decreased Below Tech Spec Limit While Containment Inerting Was in Progress. Caused by Personnel Error.Water Added to Torus

03L-0:on 801027,during Surveillance Procedure, Pressure Suppression Chamber & Reactor Bldg Vacuum Breaker Actuation Calibr & Functional Test Found to Actuate at 0.52 Psid.Caused by Instrument Setpoint Drift.Switch Recalibr
type: Subject
label: 05000265/LER-1980-029-03, /03L-0:on 801027,during Surveillance Procedure, Pressure Suppression Chamber & Reactor Bldg Vacuum Breaker Actuation Calibr & Functional Test Found to Actuate at 0.52 Psid.Caused by Instrument Setpoint Drift.Switch Recalibr
page: https://kanterella.com/05000265/LER-2D1980-2D029-2D03-2C_/03L-2D0-3Aon_801027-2Cduring_Surveillance_Procedure-2C_Pressure_Suppression_Chamber_-26_Reactor_Bldg_Vacuum_Breaker_Actuation_Calibr_-26_Funct…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1980-029-03, /03L-0:on 801027,during Surveillance Procedure, Pressure Suppression Chamber & Reactor Bldg Vacuum Breaker Actuation Calibr & Functional Test Found to Actuate at 0.52 Psid.Caused by Instrument Setpoint Drift.Switch Recalibr

03L-0:on 800716,alarm in Control Room Indicated Vacuum Breaker Valve A0-1601-20B Opened.Valve Position Indicating Lights Inoperable.Caused by Coil Burnup in Air Actuator Solenoid.Valve Closed & Defective Coil Replaced
type: Subject
label: 05000254/LER-1980-017-03, /03L-0:on 800716,alarm in Control Room Indicated Vacuum Breaker Valve A0-1601-20B Opened.Valve Position Indicating Lights Inoperable.Caused by Coil Burnup in Air Actuator Solenoid.Valve Closed & Defective Coil Replaced
page: https://kanterella.com/05000254/LER-2D1980-2D017-2D03-2C_/03L-2D0-3Aon_800716-2Calarm_in_Control_Room_Indicated_Vacuum_Breaker_Valve_A0-2D1601-2D20B_Opened.Valve_Position_Indicating_Lights_Inoperable.…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1980-017-03, /03L-0:on 800716,alarm in Control Room Indicated Vacuum Breaker Valve A0-1601-20B Opened.Valve Position Indicating Lights Inoperable.Caused by Coil Burnup in Air Actuator Solenoid.Valve Closed & Defective Coil Replaced

03L-0:on 810206,nitrogen Storage Tank Inventory Went Below 2000 Gallon Tech Spec Requirement.Caused by Supplier Delaying Shipment.Shipment Received.Supplier Instructed Not to Delay Shipments
type: Subject
label: 05000321/LER-1981-009-03, /03L-0:on 810206,nitrogen Storage Tank Inventory Went Below 2000 Gallon Tech Spec Requirement.Caused by Supplier Delaying Shipment.Shipment Received.Supplier Instructed Not to Delay Shipments
page: https://kanterella.com/05000321/LER-2D1981-2D009-2D03-2C_/03L-2D0-3Aon_810206-2Cnitrogen_Storage_Tank_Inventory_Went_Below_2000_Gallon_Tech_Spec_Requirement.Caused_by_Supplier_Delaying_Shipment.Shipme…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000321/LER-1981-009-03, /03L-0:on 810206,nitrogen Storage Tank Inventory Went Below 2000 Gallon Tech Spec Requirement.Caused by Supplier Delaying Shipment.Shipment Received.Supplier Instructed Not to Delay Shipments

05000298/LER-1980-048, Forwards LER 80-048/03L-0
type: Subject
page: https://kanterella.com/05000298/LER-2D1980-2D048-2C_Forwards_LER_80-2D048/03L-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000298/LER-1980-048, Forwards LER 80-048/03L-0

05000306/LER-1980-030-03, /03L-0:on 801008,diesel Generator D2 Tripped on High Crankcase Pressure When Eductor Hose Failed.Caused by Burst Eductor Hose.Hose Replaced on Both Diesel Engines
type: Subject
page: https://kanterella.com/05000306/LER-2D1980-2D030-2D03-2C_/03L-2D0-3Aon_801008-2Cdiesel_Generator_D2_Tripped_on_High_Crankcase_Pressure_When_Eductor_Hose_Failed.Caused_by_Burst_Eductor_Hose.Hose_Replac…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000306/LER-1980-030-03, /03L-0:on 801008,diesel Generator D2 Tripped on High Crankcase Pressure When Eductor Hose Failed.Caused by Burst Eductor Hose.Hose Replaced on Both Diesel Engines

ML19340A952
type: Subject
page: https://kanterella.com/ML19340A952
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML19340A952

IR 05000293/1993008
type: Subject
page: https://kanterella.com/IR_05000293/1993008
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000293/1993008

ML20127E548
type: Subject
page: https://kanterella.com/ML20127E548
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20127E548

ML20045H929
type: Subject
page: https://kanterella.com/ML20045H929
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20045H929

ML20029A301
type: Subject
page: https://kanterella.com/ML20029A301
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20029A301

ML20056E605
type: Subject
page: https://kanterella.com/ML20056E605
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20056E605

B13329, Provides Util Interpretation of Important to Safety in Tech Spec 3.7.A.6.c.Phrase Encompasses More than Just safety-related Set of Equipment
type: Subject
page: https://kanterella.com/B13329-2C_Provides_Util_Interpretation_of_Important_to_Safety_in_Tech_Spec_3.7.A.6.c.Phrase_Encompasses_More_than_Just_safety-2Drelated_Set_of_Equipment
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: B13329, Provides Util Interpretation of Important to Safety in Tech Spec 3.7.A.6.c.Phrase Encompasses More than Just safety-related Set of Equipment

ML20063C982
type: Subject
page: https://kanterella.com/ML20063C982
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20063C982

ML20057F315
type: Subject
page: https://kanterella.com/ML20057F315
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20057F315

ML20126G126
type: Subject
page: https://kanterella.com/ML20126G126
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20126G126

ML20044D941
type: Subject
page: https://kanterella.com/ML20044D941
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20044D941

ML20147C157
type: Subject
page: https://kanterella.com/ML20147C157
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20147C157

ML20052B320
type: Subject
page: https://kanterella.com/ML20052B320
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20052B320

ML20040A385
type: Subject
page: https://kanterella.com/ML20040A385
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20040A385

ML20011E258
type: Subject
page: https://kanterella.com/ML20011E258
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20011E258

05000293/LER-1997-007, :on 970401,safeguard Buses Were de-energized Due to Severe Storm.Replacement of Microprocessor Control Units Installed in Voltage Regulating Transformers
type: Subject
page: https://kanterella.com/05000293/LER-2D1997-2D007-2C_-3Aon_970401-2Csafeguard_Buses_Were_de-2Denergized_Due_to_Severe_Storm.Replacement_of_Microprocessor_Control_Units_Installed_in_Voltage_Regulating_T…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1997-007, :on 970401,safeguard Buses Were de-energized Due to Severe Storm.Replacement of Microprocessor Control Units Installed in Voltage Regulating Transformers

ML20030A788
type: Subject
page: https://kanterella.com/ML20030A788
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20030A788

ML20128L857
type: Subject
page: https://kanterella.com/ML20128L857
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20128L857

ML20028E569
type: Subject
page: https://kanterella.com/ML20028E569
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20028E569

ML19345H123
type: Subject
page: https://kanterella.com/ML19345H123
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML19345H123

ML20028C448
type: Subject
page: https://kanterella.com/ML20028C448
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20028C448

ML20057F318
type: Subject
page: https://kanterella.com/ML20057F318
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20057F318

ML20064H486
type: Subject
page: https://kanterella.com/ML20064H486
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20064H486

ML20039F832
type: Subject
page: https://kanterella.com/ML20039F832
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20039F832

Satisfactory Results
type: Subject
label: 05000293/LER-1989-031, :on 891024,closing Times for Two in-series Primary Containment Isolation Valves Exceeded Acceptance Criteria During Shutdown Testing.Cause Undetermined.Closing Time Retested W/Satisfactory Results
page: https://kanterella.com/05000293/LER-2D1989-2D031-2C_-3Aon_891024-2Cclosing_Times_for_Two_in-2Dseries_Primary_Containment_Isolation_Valves_Exceeded_Acceptance_Criteria_During_Shutdown_Testing.Cause_Und…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000293/LER-1989-031, :on 891024,closing Times for Two in-series Primary Containment Isolation Valves Exceeded Acceptance Criteria During Shutdown Testing.Cause Undetermined.Closing Time Retested W/Satisfactory Results

IR 05000282/1980013
type: Subject
page: https://kanterella.com/IR_05000282/1980013
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000282/1980013

ML20082C572
type: Subject
page: https://kanterella.com/ML20082C572
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20082C572

LER-1987-012-01, :on 870918,while Performing Qos 1600-1, Vacuum Breaker 2-1601-33E Remained Open After Testing.Caused by Binding in Test Cylinder Portion of Vacuum Breaker. Nuclear Work Requests Completed
type: Subject
label: 05000265/LER-1987-012-01, :on 870918,while Performing Qos 1600-1, Vacuum Breaker 2-1601-33E Remained Open After Testing.Caused by Binding in Test Cylinder Portion of Vacuum Breaker. Nuclear Work Requests Completed
page: https://kanterella.com/05000265/LER-2D1987-2D012-2D01-2C_-3Aon_870918-2Cwhile_Performing_Qos_1600-2D1-2C_Vacuum_Breaker_2-2D1601-2D33E_Remained_Open_After_Testing.Caused_by_Binding_in_Test_Cylinder_Po…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1987-012-01, :on 870918,while Performing Qos 1600-1, Vacuum Breaker 2-1601-33E Remained Open After Testing.Caused by Binding in Test Cylinder Portion of Vacuum Breaker. Nuclear Work Requests Completed

LER-1989-014-02, :on 890910,determined That Combined Leakage Rate from All Penetrations & Valves Exceeded Tech Spec Limit.Root Cause Unknown.No Corrective Action Taken. Supplemental Rept Will Be Issued
type: Subject
label: 05000254/LER-1989-014-02, :on 890910,determined That Combined Leakage Rate from All Penetrations & Valves Exceeded Tech Spec Limit.Root Cause Unknown.No Corrective Action Taken. Supplemental Rept Will Be Issued
page: https://kanterella.com/05000254/LER-2D1989-2D014-2D02-2C_-3Aon_890910-2Cdetermined_That_Combined_Leakage_Rate_from_All_Penetrations_-26_Valves_Exceeded_Tech_Spec_Limit.Root_Cause_Unknown.No_Corrective…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1989-014-02, :on 890910,determined That Combined Leakage Rate from All Penetrations & Valves Exceeded Tech Spec Limit.Root Cause Unknown.No Corrective Action Taken. Supplemental Rept Will Be Issued

IR 05000293/2017003
type: Subject
page: https://kanterella.com/IR_05000293/2017003
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000293/2017003

03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit
type: Subject
label: 05000333/LER-1980-049-03, /03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit
page: https://kanterella.com/05000333/LER-2D1980-2D049-2D03-2C_/03L-2D0-3Aon_800507-2Cduring_Plant_Shutdown_-26_Cooldown_for_Refueling-2CTorus_Water_Level_Exceeded_Tech_Spec_Limit._Caused_by_Release_of_Dryw…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000333/LER-1980-049-03, /03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit

03L-1:on 791213,during Instrument Check,Variations in Suppression Pool Level Noted Between Reading on Control Room Panel 901-3 & Local Sight Glass, Exceeding Tech Specs.Caused by Crud on Sensing Lines
type: Subject
label: 05000254/LER-1979-040, Supplemental LER 79-040/03L-1:on 791213,during Instrument Check,Variations in Suppression Pool Level Noted Between Reading on Control Room Panel 901-3 & Local Sight Glass, Exceeding Tech Specs.Caused by Crud on Sensing Lines
page: https://kanterella.com/05000254/LER-2D1979-2D040-2C_Supplemental_LER_79-2D040/03L-2D1-3Aon_791213-2Cduring_Instrument_Check-2CVariations_in_Suppression_Pool_Level_Noted_Between_Reading_on_Control_Room…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1979-040, Supplemental LER 79-040/03L-1:on 791213,during Instrument Check,Variations in Suppression Pool Level Noted Between Reading on Control Room Panel 901-3 & Local Sight Glass, Exceeding Tech Specs.Caused by Crud on Sensing Lines

IR 05000277/1980004
type: Subject
page: https://kanterella.com/IR_05000277/1980004
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000277/1980004

03L-0:on 791213,during Routine Instrument Checks, Variations Between Control Room Panel & Local Sight Glass Readings Caused Suppression Pool Level to Exceed Tech Spec Limit.Caused by Partially Blocked Instrument Sensing Lin
type: Subject
label: 05000254/LER-1979-040-03, /03L-0:on 791213,during Routine Instrument Checks, Variations Between Control Room Panel & Local Sight Glass Readings Caused Suppression Pool Level to Exceed Tech Spec Limit.Caused by Partially Blocked Instrument Sensing Lin
page: https://kanterella.com/05000254/LER-2D1979-2D040-2D03-2C_/03L-2D0-3Aon_791213-2Cduring_Routine_Instrument_Checks-2C_Variations_Between_Control_Room_Panel_-26_Local_Sight_Glass_Readings_Caused_Suppress…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1979-040-03, /03L-0:on 791213,during Routine Instrument Checks, Variations Between Control Room Panel & Local Sight Glass Readings Caused Suppression Pool Level to Exceed Tech Spec Limit.Caused by Partially Blocked Instrument Sensing Lin

05000277/LER-1980-030, Forwards LER 80-030/01T-0
type: Subject
page: https://kanterella.com/05000277/LER-2D1980-2D030-2C_Forwards_LER_80-2D030/01T-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1980-030, Forwards LER 80-030/01T-0

03L-0 on 790211:high Dew Point & Air Leakage on Breaker 2-6 Noted.To Preclude Breaker Damage,Breaker 2-6 Was Opened.Caused by Apparent Gasket Leak in Westinghouse C-A Breaker.Feeder & Breaker Repaired
type: Subject
label: 05000286/LER-1979-001-03, /03L-0 on 790211:high Dew Point & Air Leakage on Breaker 2-6 Noted.To Preclude Breaker Damage,Breaker 2-6 Was Opened.Caused by Apparent Gasket Leak in Westinghouse C-A Breaker.Feeder & Breaker Repaired
page: https://kanterella.com/05000286/LER-2D1979-2D001-2D03-2C_/03L-2D0_on_790211-3Ahigh_Dew_Point_-26_Air_Leakage_on_Breaker_2-2D6_Noted.To_Preclude_Breaker_Damage-2CBreaker_2-2D6_Was_Opened.Caused_by_Appa…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000286/LER-1979-001-03, /03L-0 on 790211:high Dew Point & Air Leakage on Breaker 2-6 Noted.To Preclude Breaker Damage,Breaker 2-6 Was Opened.Caused by Apparent Gasket Leak in Westinghouse C-A Breaker.Feeder & Breaker Repaired

IR 05000245/1979002
type: Subject
page: https://kanterella.com/IR_05000245/1979002
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000245/1979002

03L-0 on 790524:vacuum Breaker 1-1601-32D Failed to Give Closed Indication.Caused by Binding on Valve Stem Not Allowing Disk to Shut.Defective Bushing & End Packing on Valve Stem Replaced
type: Subject
label: 05000254/LER-1979-019-03, /03L-0 on 790524:vacuum Breaker 1-1601-32D Failed to Give Closed Indication.Caused by Binding on Valve Stem Not Allowing Disk to Shut.Defective Bushing & End Packing on Valve Stem Replaced
page: https://kanterella.com/05000254/LER-2D1979-2D019-2D03-2C_/03L-2D0_on_790524-3Avacuum_Breaker_1-2D1601-2D32D_Failed_to_Give_Closed_Indication.Caused_by_Binding_on_Valve_Stem_Not_Allowing_Disk_to_Shut.D…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1979-019-03, /03L-0 on 790524:vacuum Breaker 1-1601-32D Failed to Give Closed Indication.Caused by Binding on Valve Stem Not Allowing Disk to Shut.Defective Bushing & End Packing on Valve Stem Replaced

05000278/LER-1979-011, Forwards LER 79-011/01T-0
type: Subject
page: https://kanterella.com/05000278/LER-2D1979-2D011-2C_Forwards_LER_79-2D011/01T-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000278/LER-1979-011, Forwards LER 79-011/01T-0

03L-0:on 791030,suppression Pool Level Discovered Below Tech Spec Limits.Caused by Suppression Chamber Narrow Range Level Instrumentation Responding Slowly to Change in Suppression Pool Level.More Water Added to Suppression
type: Subject
label: 05000254/LER-1979-033-03, /03L-0:on 791030,suppression Pool Level Discovered Below Tech Spec Limits.Caused by Suppression Chamber Narrow Range Level Instrumentation Responding Slowly to Change in Suppression Pool Level.More Water Added to Suppression
page: https://kanterella.com/05000254/LER-2D1979-2D033-2D03-2C_/03L-2D0-3Aon_791030-2Csuppression_Pool_Level_Discovered_Below_Tech_Spec_Limits.Caused_by_Suppression_Chamber_Narrow_Range_Level_Instrumentatio…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1979-033-03, /03L-0:on 791030,suppression Pool Level Discovered Below Tech Spec Limits.Caused by Suppression Chamber Narrow Range Level Instrumentation Responding Slowly to Change in Suppression Pool Level.More Water Added to Suppression

01T-0 on 790724:pressure Switches PS2-1622A & PS2-1622B Were Found to Actuate Less Conservatively than Tech Specs Required.Caused by Instrument Setpoint Drift. Instruments Recalibr
type: Subject
label: 05000265/LER-1979-015-01, /01T-0 on 790724:pressure Switches PS2-1622A & PS2-1622B Were Found to Actuate Less Conservatively than Tech Specs Required.Caused by Instrument Setpoint Drift. Instruments Recalibr
page: https://kanterella.com/05000265/LER-2D1979-2D015-2D01-2C_/01T-2D0_on_790724-3Apressure_Switches_PS2-2D1622A_-26_PS2-2D1622B_Were_Found_to_Actuate_Less_Conservatively_than_Tech_Specs_Required.Caused_by…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1979-015-01, /01T-0 on 790724:pressure Switches PS2-1622A & PS2-1622B Were Found to Actuate Less Conservatively than Tech Specs Required.Caused by Instrument Setpoint Drift. Instruments Recalibr

03L-0:on 791221,during Surveillance Test, Diesel Generator 2 Tripped on High Crankcase Pressure. Apparently Caused by Cooling Water Leaking Into Lube Oil Sys & Accumulating During Shutdown Periods
type: Subject
label: 05000282/LER-1979-032-03, /03L-0:on 791221,during Surveillance Test, Diesel Generator 2 Tripped on High Crankcase Pressure. Apparently Caused by Cooling Water Leaking Into Lube Oil Sys & Accumulating During Shutdown Periods
page: https://kanterella.com/05000282/LER-2D1979-2D032-2D03-2C_/03L-2D0-3Aon_791221-2Cduring_Surveillance_Test-2C_Diesel_Generator_2_Tripped_on_High_Crankcase_Pressure._Apparently_Caused_by_Cooling_Water_Le…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000282/LER-1979-032-03, /03L-0:on 791221,during Surveillance Test, Diesel Generator 2 Tripped on High Crankcase Pressure. Apparently Caused by Cooling Water Leaking Into Lube Oil Sys & Accumulating During Shutdown Periods

05000278/LER-1979-013, Forwards LER 79-013/01T-0
type: Subject
page: https://kanterella.com/05000278/LER-2D1979-2D013-2C_Forwards_LER_79-2D013/01T-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000278/LER-1979-013, Forwards LER 79-013/01T-0

IR 05000010/1979008
type: Subject
page: https://kanterella.com/IR_05000010/1979008
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000010/1979008

ML19225A525
type: Subject
page: https://kanterella.com/ML19225A525
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML19225A525

03L-0:on 791110,during Steady State Operation, Increasing Trend in Torus Water Level Observed.Caused by Leaking Bypass Valve for Torus Level Transmitters.Water Indication Restored Per Tech Specs
type: Subject
label: 05000271/LER-1979-030-03, /03L-0:on 791110,during Steady State Operation, Increasing Trend in Torus Water Level Observed.Caused by Leaking Bypass Valve for Torus Level Transmitters.Water Indication Restored Per Tech Specs
page: https://kanterella.com/05000271/LER-2D1979-2D030-2D03-2C_/03L-2D0-3Aon_791110-2Cduring_Steady_State_Operation-2C_Increasing_Trend_in_Torus_Water_Level_Observed.Caused_by_Leaking_Bypass_Valve_for_Torus…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1979-030-03, /03L-0:on 791110,during Steady State Operation, Increasing Trend in Torus Water Level Observed.Caused by Leaking Bypass Valve for Torus Level Transmitters.Water Indication Restored Per Tech Specs

IR 05000333/1979007
type: Subject
page: https://kanterella.com/IR_05000333/1979007
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000333/1979007

B Underwent zero-shift & Common Ref Leg Was Not Completely Filled.Caused by Loss of Water in Common Ref Leg of Transmitters Compounded by Apparent zero-shift
type: Subject
label: 05000271/LER-1979-021-03, /03L-0:on 790816,transmitters LT-16-19-38A/B Underwent zero-shift & Common Ref Leg Was Not Completely Filled.Caused by Loss of Water in Common Ref Leg of Transmitters Compounded by Apparent zero-shift
page: https://kanterella.com/05000271/LER-2D1979-2D021-2D03-2C_/03L-2D0-3Aon_790816-2Ctransmitters_LT-2D16-2D19-2D38A/B_Underwent_zero-2Dshift_-26_Common_Ref_Leg_Was_Not_Completely_Filled.Caused_by_Loss_of_…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000271/LER-1979-021-03, /03L-0:on 790816,transmitters LT-16-19-38A/B Underwent zero-shift & Common Ref Leg Was Not Completely Filled.Caused by Loss of Water in Common Ref Leg of Transmitters Compounded by Apparent zero-shift

03L-0:on 790724,pressure Suppression Chamber Reactor Bldg Vacuum Breaker Pressure Switch Was Found to Actuate Below Limiting Condition for Operation Level.Caused by Instrument Setpoint Drift.Switch Recalibr
type: Subject
label: 05000254/LER-1979-024-03, /03L-0:on 790724,pressure Suppression Chamber Reactor Bldg Vacuum Breaker Pressure Switch Was Found to Actuate Below Limiting Condition for Operation Level.Caused by Instrument Setpoint Drift.Switch Recalibr
page: https://kanterella.com/05000254/LER-2D1979-2D024-2D03-2C_/03L-2D0-3Aon_790724-2Cpressure_Suppression_Chamber_Reactor_Bldg_Vacuum_Breaker_Pressure_Switch_Was_Found_to_Actuate_Below_Limiting_Condition_f…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1979-024-03, /03L-0:on 790724,pressure Suppression Chamber Reactor Bldg Vacuum Breaker Pressure Switch Was Found to Actuate Below Limiting Condition for Operation Level.Caused by Instrument Setpoint Drift.Switch Recalibr

unit Operating at Steady State, Channel III Flow Computer,For Steam Generator Steam Flow Fc 2474,failed.Caused by Loose Printed Circuit Board & Cold Solder Joint on Filter Capacitor.Board & Capacitor Repai
type: Subject
label: 05000281/LER-1980-022-03, /03L-0:on 800826,w/unit Operating at Steady State, Channel III Flow Computer,For Steam Generator Steam Flow Fc 2474,failed.Caused by Loose Printed Circuit Board & Cold Solder Joint on Filter Capacitor.Board & Capacitor Repai
page: https://kanterella.com/05000281/LER-2D1980-2D022-2D03-2C_/03L-2D0-3Aon_800826-2Cw/unit_Operating_at_Steady_State-2C_Channel_III_Flow_Computer-2CFor_Steam_Generator_Steam_Flow_Fc_2474-2Cfailed.Caused_b…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000281/LER-1980-022-03, /03L-0:on 800826,w/unit Operating at Steady State, Channel III Flow Computer,For Steam Generator Steam Flow Fc 2474,failed.Caused by Loose Printed Circuit Board & Cold Solder Joint on Filter Capacitor.Board & Capacitor Repai

ML18094A093
type: Subject
page: https://kanterella.com/ML18094A093
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18094A093

05000260/LER-1991-013, :on 910605,Tech Spec Violation Occurred Due to Loss of Primary Containment.Caused by Personnel Error. Specialized Training for Plant Personnel & Procedure Enhancement Initiated
type: Subject
page: https://kanterella.com/05000260/LER-2D1991-2D013-2C_-3Aon_910605-2CTech_Spec_Violation_Occurred_Due_to_Loss_of_Primary_Containment.Caused_by_Personnel_Error._Specialized_Training_for_Plant_Personnel_-…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000260/LER-1991-013, :on 910605,Tech Spec Violation Occurred Due to Loss of Primary Containment.Caused by Personnel Error. Specialized Training for Plant Personnel & Procedure Enhancement Initiated

ML18036A804
type: Subject
page: https://kanterella.com/ML18036A804
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18036A804

ML18036A337
type: Subject
page: https://kanterella.com/ML18036A337
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18036A337

IR 05000259/1979045
type: Subject
page: https://kanterella.com/IR_05000259/1979045
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000259/1979045

05000296/LER-1979-011, Forwards LER 79-011/03L-0
type: Subject
page: https://kanterella.com/05000296/LER-2D1979-2D011-2C_Forwards_LER_79-2D011/03L-2D0
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000296/LER-1979-011, Forwards LER 79-011/03L-0

03L-0:on 791208,following Return to Svc After refueling,drywell-to-suppression Chamber Differential Pressure Could Not Be Maintained Per Tech Spec.Caused by Leak at Hatch Door Due to Loosened Bolts
type: Subject
label: 05000296/LER-1979-022-03, /03L-0:on 791208,following Return to Svc After refueling,drywell-to-suppression Chamber Differential Pressure Could Not Be Maintained Per Tech Spec.Caused by Leak at Hatch Door Due to Loosened Bolts
page: https://kanterella.com/05000296/LER-2D1979-2D022-2D03-2C_/03L-2D0-3Aon_791208-2Cfollowing_Return_to_Svc_After_refueling-2Cdrywell-2Dto-2Dsuppression_Chamber_Differential_Pressure_Could_Not_Be_Maintain…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000296/LER-1979-022-03, /03L-0:on 791208,following Return to Svc After refueling,drywell-to-suppression Chamber Differential Pressure Could Not Be Maintained Per Tech Spec.Caused by Leak at Hatch Door Due to Loosened Bolts

ML18024B267
type: Subject
page: https://kanterella.com/ML18024B267
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18024B267

ML18036A279
type: Subject
page: https://kanterella.com/ML18036A279
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML18036A279

IR 05000298/1998006
type: Subject
page: https://kanterella.com/IR_05000298/1998006
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000298/1998006

05000237/LER-1975-051, For Dresden Unit 2 Regarding Report of Unit-2 High Torus Water Level Exceeding the Technical Specifications Limit
type: Subject
page: https://kanterella.com/05000237/LER-2D1975-2D051-2C_For_Dresden_Unit_2_Regarding_Report_of_Unit-2D2_High_Torus_Water_Level_Exceeding_the_Technical_Specifications_Limit
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1975-051, For Dresden Unit 2 Regarding Report of Unit-2 High Torus Water Level Exceeding the Technical Specifications Limit

05000237/LER-1978-032, /03L-0 for Dresden, Unit 2 Re During Steady State Operation, Torus to Drywell Vacuum Breaker 2-1601-33E & F Were Found Inoperable During Routine Operability Surveillance
type: Subject
page: https://kanterella.com/05000237/LER-2D1978-2D032-2C_/03L-2D0_for_Dresden-2C_Unit_2_Re_During_Steady_State_Operation-2C_Torus_to_Drywell_Vacuum_Breaker_2-2D1601-2D33E_-26_F_Were_Found_Inoperable_During…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000237/LER-1978-032, /03L-0 for Dresden, Unit 2 Re During Steady State Operation, Torus to Drywell Vacuum Breaker 2-1601-33E & F Were Found Inoperable During Routine Operability Surveillance

IR 05000237/1991009
type: Subject
page: https://kanterella.com/IR_05000237/1991009
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1991009

IR 05000237/1991007
type: Subject
page: https://kanterella.com/IR_05000237/1991007
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1991007

IR 05000237/1987035
type: Subject
page: https://kanterella.com/IR_05000237/1987035
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1987035

IR 05000216/2003028
type: Subject
page: https://kanterella.com/IR_05000216/2003028
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000216/2003028

03L-0 on 790514:one Electrical Penetration & Several Boundary Valves Had Leakage.Caused by Inadevertent Omission of pre-repair Leak Rate Measurement for Some Valves.Test Procedures to Be Revised
type: Subject
label: 05000336/LER-1979-011-03, /03L-0 on 790514:one Electrical Penetration & Several Boundary Valves Had Leakage.Caused by Inadevertent Omission of pre-repair Leak Rate Measurement for Some Valves.Test Procedures to Be Revised
page: https://kanterella.com/05000336/LER-2D1979-2D011-2D03-2C_/03L-2D0_on_790514-3Aone_Electrical_Penetration_-26_Several_Boundary_Valves_Had_Leakage.Caused_by_Inadevertent_Omission_of_pre-2Drepair_Leak_Ra…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000336/LER-1979-011-03, /03L-0 on 790514:one Electrical Penetration & Several Boundary Valves Had Leakage.Caused by Inadevertent Omission of pre-repair Leak Rate Measurement for Some Valves.Test Procedures to Be Revised

IR 05000237/1995007
type: Subject
page: https://kanterella.com/IR_05000237/1995007
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1995007

IR 05000237/1991035
type: Subject
page: https://kanterella.com/IR_05000237/1991035
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1991035

IR 05000106/2002003
type: Subject
page: https://kanterella.com/IR_05000106/2002003
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000106/2002003

IR 05000237/1993009
type: Subject
page: https://kanterella.com/IR_05000237/1993009
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1993009

ML17194A178
type: Subject
page: https://kanterella.com/ML17194A178
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML17194A178

ML17191B296
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TS: TS-3.7.A
wiki page sort key: ML17191B296

ML17199T722
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TS: TS-3.7.A
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05000293/LER-2015-004-01, Regarding 480V Bus B6 Auto Transfer Function Degraded
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TS: TS-3.7.A
wiki page sort key: 05000293/LER-2015-004-01, Regarding 480V Bus B6 Auto Transfer Function Degraded

ML17179A985
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TS: TS-3.7.A
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ML17202U982
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page: https://kanterella.com/ML17202U982
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TS: TS-3.7.A
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05000293/LER-2014-001, Regarding Condition Prohibited by Technical Specifications
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TS: TS-3.7.A
wiki page sort key: 05000293/LER-2014-001, Regarding Condition Prohibited by Technical Specifications

05000293/LER-2013-006, And LER 13-006-00 for Pilgrim Regarding Primary Containment Declared Inoperable During HPCI Testing & HPCI Controller Failure to Achieve Rated Flow While in Auto Mode
type: Subject
page: https://kanterella.com/05000293/LER-2D2013-2D006-2C_And_LER_13-2D006-2D00_for_Pilgrim_Regarding_Primary_Containment_Declared_Inoperable_During_HPCI_Testing_-26_HPCI_Controller_Failure_to_Achieve_Rated…
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TS: TS-3.7.A
wiki page sort key: 05000293/LER-2013-006, And LER 13-006-00 for Pilgrim Regarding Primary Containment Declared Inoperable During HPCI Testing & HPCI Controller Failure to Achieve Rated Flow While in Auto Mode

IR 05000271/1989002
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page: https://kanterella.com/IR_05000271/1989002
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: IR 05000271/1989002

L-PI-12-007, Response to Requests for Additional Information for License Amendment Request to Add Diesel Fuel Oil License Bases and Revise Technical Specifications 3.7.8, Cooling Water System & 3.8.3, Diesel Fuel Oil
type: Subject
page: https://kanterella.com/L-2DPI-2D12-2D007-2C_Response_to_Requests_for_Additional_Information_for_License_Amendment_Request_to_Add_Diesel_Fuel_Oil_License_Bases_and_Revise_Technical_Specifications_3.7.8…
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TS: TS-3.7.A
wiki page sort key: L-PI-12-007, Response to Requests for Additional Information for License Amendment Request to Add Diesel Fuel Oil License Bases and Revise Technical Specifications 3.7.8, Cooling Water System & 3.8.3, Diesel Fuel Oil

ML17202U984
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page: https://kanterella.com/ML17202U984
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TS: TS-3.7.A
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03L-0:on 800529,primary Containment Oxygen Concentration Exceeded 5- by Weight Tech Spec Limit.Caused by Open Svc Air Isolation Valve to Drywell.Procedures Have Been Revised to Assure Proper Valve Positioning
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label: 05000263/LER-1980-022-03, /03L-0:on 800529,primary Containment Oxygen Concentration Exceeded 5% by Weight Tech Spec Limit.Caused by Open Svc Air Isolation Valve to Drywell.Procedures Have Been Revised to Assure Proper Valve Positioning
page: https://kanterella.com/05000263/LER-2D1980-2D022-2D03-2C_/03L-2D0-3Aon_800529-2Cprimary_Containment_Oxygen_Concentration_Exceeded_5-_by_Weight_Tech_Spec_Limit.Caused_by_Open_Svc_Air_Isolation_Valve_to…
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TS: TS-3.7.A
wiki page sort key: 05000263/LER-1980-022-03, /03L-0:on 800529,primary Containment Oxygen Concentration Exceeded 5% by Weight Tech Spec Limit.Caused by Open Svc Air Isolation Valve to Drywell.Procedures Have Been Revised to Assure Proper Valve Positioning

05000293/LER-2011-004, For Pilgrim Nuclear Power Station, Regarding Technical Specification Required Shutdown - Drywell to Torus Dp
type: Subject
page: https://kanterella.com/05000293/LER-2D2011-2D004-2C_For_Pilgrim_Nuclear_Power_Station-2C_Regarding_Technical_Specification_Required_Shutdown_-2D_Drywell_to_Torus_Dp
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TS: TS-3.7.A
wiki page sort key: 05000293/LER-2011-004, For Pilgrim Nuclear Power Station, Regarding Technical Specification Required Shutdown - Drywell to Torus Dp

IR 05000293/2014003
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page: https://kanterella.com/IR_05000293/2014003
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: IR 05000293/2014003

ML17179B005
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page: https://kanterella.com/ML17179B005
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: ML17179B005

BVY 05-098, Technical Specification Proposed Change No. 263 - Supplement No. 38 Extended Power Uprate - Containment Overpressure Credit
type: Subject
page: https://kanterella.com/BVY_05-2D098-2C_Technical_Specification_Proposed_Change_No._263_-2D_Supplement_No._38_Extended_Power_Uprate_-2D_Containment_Overpressure_Credit
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TS: TS-3.7.A
wiki page sort key: BVY 05-098, Technical Specification Proposed Change No. 263 - Supplement No. 38 Extended Power Uprate - Containment Overpressure Credit

BVY 04-106, Technical Specification Proposed Change No. 263 - Supplement No. 18 Extended Power Uprate - ECCS Pump Net Positive Suction Head Margin
type: Subject
page: https://kanterella.com/BVY_04-2D106-2C_Technical_Specification_Proposed_Change_No._263_-2D_Supplement_No._18_Extended_Power_Uprate_-2D_ECCS_Pump_Net_Positive_Suction_Head_Margin
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TS: TS-3.7.A
wiki page sort key: BVY 04-106, Technical Specification Proposed Change No. 263 - Supplement No. 18 Extended Power Uprate - ECCS Pump Net Positive Suction Head Margin

ML17199V490
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TS: TS-3.7.A
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05000293/LER-1999-003-01, Re Local Leak Rate Test Results Exceeding Allowable Technical Specification Leakage Rates
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TS: TS-3.7.A
wiki page sort key: 05000293/LER-1999-003-01, Re Local Leak Rate Test Results Exceeding Allowable Technical Specification Leakage Rates

ML033160348
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TS: TS-3.7.A
wiki page sort key: ML033160348

ML18033B343
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ML040680923
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ML17180B105
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ML17199U844
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ML061240264
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ML17201H890
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ML19260D117
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TS: TS-3.7.A
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IR 05000219/1999009
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page: https://kanterella.com/IR_05000219/1999009
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TS: TS-3.7.A
wiki page sort key: IR 05000219/1999009

ML17199G573
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ML17180B122
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ML18152A026
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TS: TS-3.7.A
wiki page sort key: ML18152A026

ML18033B647
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page: https://kanterella.com/ML18033B647
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TS: TS-3.7.A
wiki page sort key: ML18033B647

ML020150501
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TS: TS-3.7.A
wiki page sort key: ML020150501

ML19210E278
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page: https://kanterella.com/ML19210E278
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: ML19210E278

ML17187A998
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page: https://kanterella.com/ML17187A998
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: ML17187A998

B13297, Application for Amend to License DPR-21,revising Tech Specs, Per TMI Items II.F.1.3 Re Containment high-range Radiation Monitors & II.F.1.4 Re Containment Pressure Monitors & Generic Ltr 83-36
type: Subject
page: https://kanterella.com/B13297-2C_Application_for_Amend_to_License_DPR-2D21-2Crevising_Tech_Specs-2C_Per_TMI_Items_II.F.1.3_Re_Containment_high-2Drange_Radiation_Monitors_-26_II.F.1.4_Re_Containment_Pr…
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TS: TS-3.7.A
wiki page sort key: B13297, Application for Amend to License DPR-21,revising Tech Specs, Per TMI Items II.F.1.3 Re Containment high-range Radiation Monitors & II.F.1.4 Re Containment Pressure Monitors & Generic Ltr 83-36

BVY 03-102, Technical Specification Proposed Change No. 262 - Supplement No. 3, Alternative Source Term - Modified Exemption Request
type: Subject
page: https://kanterella.com/BVY_03-2D102-2C_Technical_Specification_Proposed_Change_No._262_-2D_Supplement_No._3-2C_Alternative_Source_Term_-2D_Modified_Exemption_Request
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TS: TS-3.7.A
wiki page sort key: BVY 03-102, Technical Specification Proposed Change No. 262 - Supplement No. 3, Alternative Source Term - Modified Exemption Request

ML18033B015
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TS: TS-3.7.A
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ML17202U808
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TS: TS-3.7.A
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ML19225C485
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TS: TS-3.7.A
wiki page sort key: ML19225C485

BVY 07-063, Technical Specifications Proposed Change No. 275 Primary Containment Oxygen Concentration and Drywell-to-Suppression Chamber Differential Pressure Limits
type: Subject
page: https://kanterella.com/BVY_07-2D063-2C_Technical_Specifications_Proposed_Change_No._275_Primary_Containment_Oxygen_Concentration_and_Drywell-2Dto-2DSuppression_Chamber_Differential_Pressure_Limits
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TS: TS-3.7.A
wiki page sort key: BVY 07-063, Technical Specifications Proposed Change No. 275 Primary Containment Oxygen Concentration and Drywell-to-Suppression Chamber Differential Pressure Limits

ML20197A614
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page: https://kanterella.com/ML20197A614
wiki namespace: 0
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TS: TS-3.7.A
wiki page sort key: ML20197A614

B12097, Submits Addl Info on Isap Topic 1.11, Post-Accident Hydrogen Monitor, Per .Hydrogen/Oxygen Monitor & Info on Applicability of Rev 4 to BWR Owners Group Emergency Procedure Guidelines Discussed
type: Subject
page: https://kanterella.com/B12097-2C_Submits_Addl_Info_on_Isap_Topic_1.11-2C_Post-2DAccident_Hydrogen_Monitor-2C_Per_.Hydrogen/Oxygen_Monitor_-26_Info_on_Applicability_of_Rev_4_to_BWR_Owners_Group_Emergen…
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TS: TS-3.7.A
wiki page sort key: B12097, Submits Addl Info on Isap Topic 1.11, Post-Accident Hydrogen Monitor, Per .Hydrogen/Oxygen Monitor & Info on Applicability of Rev 4 to BWR Owners Group Emergency Procedure Guidelines Discussed

BECO-85-063, Submits Addl Info Re Status of Containment Purging & Venting,In Response to NRC 840203 & 0411 Requests.Reduction in Risk Purported in NUREG-0737,Item II.E.4.2(7) Not Clearly Demonstrated
type: Subject
page: https://kanterella.com/BECO-2D85-2D063-2C_Submits_Addl_Info_Re_Status_of_Containment_Purging_-26_Venting-2CIn_Response_to_NRC_840203_-26_0411_Requests.Reduction_in_Risk_Purported_in_NUREG-2D0737-2CIte…
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TS: TS-3.7.A
wiki page sort key: BECO-85-063, Submits Addl Info Re Status of Containment Purging & Venting,In Response to NRC 840203 & 0411 Requests.Reduction in Risk Purported in NUREG-0737,Item II.E.4.2(7) Not Clearly Demonstrated

ML20129F870
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ML042080469
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IR 05000237/1990019
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page: https://kanterella.com/IR_05000237/1990019
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wiki page sort key: IR 05000237/1990019

ML20151M022
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ML20036B264
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wiki page sort key: ML20036B264

ML17056A326
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ML20140B032
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page: https://kanterella.com/ML20140B032
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L-MT-03-067, Response to Request for Additional Information Related to Revised Long-Term Containment Response and Net-Positive Suction Head Analyses
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page: https://kanterella.com/L-2DMT-2D03-2D067-2C_Response_to_Request_for_Additional_Information_Related_to_Revised_Long-2DTerm_Containment_Response_and_Net-2DPositive_Suction_Head_Analyses
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wiki page sort key: L-MT-03-067, Response to Request for Additional Information Related to Revised Long-Term Containment Response and Net-Positive Suction Head Analyses

ML20116P151
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ML20023B771
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IR 05000263/1998004
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page: https://kanterella.com/IR_05000263/1998004
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ML19210E846
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ML18024B265
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IR 05000271/2010004
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ML042080475
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ML17194A085
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ML18030B236
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ML17199U464
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05000306/LER-1980-029-03, /03L-0:on 801004,inverter 23 Failed,Leaving Panel 213 de-energized.Caused by Failure of Sola Constant Voltage Transformer.Panel Transferred & Transformer Replaced
type: Subject
page: https://kanterella.com/05000306/LER-2D1980-2D029-2D03-2C_/03L-2D0-3Aon_801004-2Cinverter_23_Failed-2CLeaving_Panel_213_de-2Denergized.Caused_by_Failure_of_Sola_Constant_Voltage_Transformer.Panel_Trans…
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TS: TS-3.7.A
wiki page sort key: 05000306/LER-1980-029-03, /03L-0:on 801004,inverter 23 Failed,Leaving Panel 213 de-energized.Caused by Failure of Sola Constant Voltage Transformer.Panel Transferred & Transformer Replaced

ML20045E726
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page: https://kanterella.com/ML20045E726
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wiki page sort key: ML20045E726

ML17180B154
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BVY 05-023, Licensee Post Exam Comments & NRC Resolution (Folder 1)
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page: https://kanterella.com/BVY_05-2D023-2C_Licensee_Post_Exam_Comments_-26_NRC_Resolution_-28Folder_1-29
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wiki page sort key: BVY 05-023, Licensee Post Exam Comments & NRC Resolution (Folder 1)

ML17264B179
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BECO-89-178, Forwards Response to Generic Ltr 89-21, Request for Info Re Status of Implementation of USI Requirements
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wiki page sort key: BECO-89-178, Forwards Response to Generic Ltr 89-21, Request for Info Re Status of Implementation of USI Requirements

ML20138N067
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ML19276E052
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ML17180B183
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Vent Valve Closure on High Radiation Signal,Per NUREG-0737,Item II.E.4.2,unjustified Based on Low Probability of RCS Leak When Purge Valves Open, in Response to SER Open Item
type: Subject
label: A05743, Advises That Automatic Purge/Vent Valve Closure on High Radiation Signal,Per NUREG-0737,Item II.E.4.2,unjustified Based on Low Probability of RCS Leak When Purge Valves Open, in Response to SER Open Item
page: https://kanterella.com/A05743-2C_Advises_That_Automatic_Purge/Vent_Valve_Closure_on_High_Radiation_Signal-2CPer_NUREG-2D0737-2CItem_II.E.4.2-2Cunjustified_Based_on_Low_Probability_of_RCS_Leak_When_Pur…
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wiki page sort key: A05743, Advises That Automatic Purge/Vent Valve Closure on High Radiation Signal,Per NUREG-0737,Item II.E.4.2,unjustified Based on Low Probability of RCS Leak When Purge Valves Open, in Response to SER Open Item

IR 05000271/1986011
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ML20196K288
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ML20246L719
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LER-1986-020-01, :on 860817,failure to Maintain Cold Shutdown Conditions & Exceeding Torus Vol Limit Discovered.Caused by Poor Planning of Proposed Operation by Station Supervision. GP-12 Revised
type: Subject
label: 05000277/LER-1986-020-01, :on 860817,failure to Maintain Cold Shutdown Conditions & Exceeding Torus Vol Limit Discovered.Caused by Poor Planning of Proposed Operation by Station Supervision. GP-12 Revised
page: https://kanterella.com/05000277/LER-2D1986-2D020-2D01-2C_-3Aon_860817-2Cfailure_to_Maintain_Cold_Shutdown_Conditions_-26_Exceeding_Torus_Vol_Limit_Discovered.Caused_by_Poor_Planning_of_Proposed_Operat…
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wiki page sort key: 05000277/LER-1986-020-01, :on 860817,failure to Maintain Cold Shutdown Conditions & Exceeding Torus Vol Limit Discovered.Caused by Poor Planning of Proposed Operation by Station Supervision. GP-12 Revised

Water Draining to Sump.Caused by Personnel Error.Valves Locked. Procedures Revised
type: Subject
label: 05000249/LER-1985-007-05, :on 850302,during Normal Operation,Two Normally Closed Torus Water Sample Valves Discovered Open W/Water Draining to Sump.Caused by Personnel Error.Valves Locked. Procedures Revised
page: https://kanterella.com/05000249/LER-2D1985-2D007-2D05-2C_-3Aon_850302-2Cduring_Normal_Operation-2CTwo_Normally_Closed_Torus_Water_Sample_Valves_Discovered_Open_W/Water_Draining_to_Sump.Caused_by_Perso…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000249/LER-1985-007-05, :on 850302,during Normal Operation,Two Normally Closed Torus Water Sample Valves Discovered Open W/Water Draining to Sump.Caused by Personnel Error.Valves Locked. Procedures Revised

ML20072K348
type: Subject
page: https://kanterella.com/ML20072K348
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20072K348

ML20024A651
type: Subject
page: https://kanterella.com/ML20024A651
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20024A651

ML20248G366
type: Subject
page: https://kanterella.com/ML20248G366
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20248G366

LER-1985-006-07, :on 850318,during Local Leak Rate Testing,Two MSIVs Leaked in Excess of Tech Specs.Cause Not Yet Determined.No Corrective Action Taken.Rept Detailing Cause Will Be Submitted Following Repair of Valves
type: Subject
label: 05000265/LER-1985-006-07, :on 850318,during Local Leak Rate Testing,Two MSIVs Leaked in Excess of Tech Specs.Cause Not Yet Determined.No Corrective Action Taken.Rept Detailing Cause Will Be Submitted Following Repair of Valves
page: https://kanterella.com/05000265/LER-2D1985-2D006-2D07-2C_-3Aon_850318-2Cduring_Local_Leak_Rate_Testing-2CTwo_MSIVs_Leaked_in_Excess_of_Tech_Specs.Cause_Not_Yet_Determined.No_Corrective_Action_Taken.Re…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1985-006-07, :on 850318,during Local Leak Rate Testing,Two MSIVs Leaked in Excess of Tech Specs.Cause Not Yet Determined.No Corrective Action Taken.Rept Detailing Cause Will Be Submitted Following Repair of Valves

05000260/LER-1991-013-01, :on 910605,loss of Primary Containment Integrity Occurred When Both Drywell Personnel Airlock Doors Opened Due to Personnel Error.Operating & Maint Instructions Revised
type: Subject
page: https://kanterella.com/05000260/LER-2D1991-2D013-2D01-2C_-3Aon_910605-2Closs_of_Primary_Containment_Integrity_Occurred_When_Both_Drywell_Personnel_Airlock_Doors_Opened_Due_to_Personnel_Error.Operating…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000260/LER-1991-013-01, :on 910605,loss of Primary Containment Integrity Occurred When Both Drywell Personnel Airlock Doors Opened Due to Personnel Error.Operating & Maint Instructions Revised

IR 05000237/1988022
type: Subject
page: https://kanterella.com/IR_05000237/1988022
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1988022

IR 05000237/1998030
type: Subject
page: https://kanterella.com/IR_05000237/1998030
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000237/1998030

ML20039F979
type: Subject
page: https://kanterella.com/ML20039F979
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20039F979

ML20235W294
type: Subject
page: https://kanterella.com/ML20235W294
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20235W294

IR 07100004/2011014
type: Subject
page: https://kanterella.com/IR_07100004/2011014
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 07100004/2011014

ML20054E109
type: Subject
page: https://kanterella.com/ML20054E109
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20054E109

LER-1986-013, :on 861011,leakage of MSIV AO 2-203-2D in Excess of 11.5 Std Cubic Ft Per Hour Discovered.Caused by Normal Operational Wear.Valve Body Reseated.Pilot Seats Lapped.Stem & Piston Ring Replaced
type: Subject
label: 05000265/LER-1986-013, :on 861011,leakage of MSIV AO 2-203-2D in Excess of 11.5 Std Cubic Ft Per Hour Discovered.Caused by Normal Operational Wear.Valve Body Reseated.Pilot Seats Lapped.Stem & Piston Ring Replaced
page: https://kanterella.com/05000265/LER-2D1986-2D013-2C_-3Aon_861011-2Cleakage_of_MSIV_AO_2-2D203-2D2D_in_Excess_of_11.5_Std_Cubic_Ft_Per_Hour_Discovered.Caused_by_Normal_Operational_Wear.Valve_Body_Resea…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1986-013, :on 861011,leakage of MSIV AO 2-203-2D in Excess of 11.5 Std Cubic Ft Per Hour Discovered.Caused by Normal Operational Wear.Valve Body Reseated.Pilot Seats Lapped.Stem & Piston Ring Replaced

LER-1986-015-08, :on 861013,leakage from Containment Exceeded 75- of La Required by Tech Spec 3.7.A.2.b.Caused by Reduced Resiliency of Silicon Rubber Mfg by J-Bar Silicon Corp. Silicon Rubber Replaced
type: Subject
label: 05000265/LER-1986-015-08, :on 861013,leakage from Containment Exceeded 75% of La Required by Tech Spec 3.7.A.2.b.Caused by Reduced Resiliency of Silicon Rubber Mfg by J-Bar Silicon Corp. Silicon Rubber Replaced
page: https://kanterella.com/05000265/LER-2D1986-2D015-2D08-2C_-3Aon_861013-2Cleakage_from_Containment_Exceeded_75-_of_La_Required_by_Tech_Spec_3.7.A.2.b.Caused_by_Reduced_Resiliency_of_Silicon_Rubber_Mfg_b…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1986-015-08, :on 861013,leakage from Containment Exceeded 75% of La Required by Tech Spec 3.7.A.2.b.Caused by Reduced Resiliency of Silicon Rubber Mfg by J-Bar Silicon Corp. Silicon Rubber Replaced

ML20091S166
type: Subject
page: https://kanterella.com/ML20091S166
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20091S166

03L-0:on 831024,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Vacuum Breaker 1-1601-32C Showed Dual Indication While Closing. Caused by Limit Switch Out of Adjustment
type: Subject
label: 05000254/LER-1983-043-03, /03L-0:on 831024,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Vacuum Breaker 1-1601-32C Showed Dual Indication While Closing. Caused by Limit Switch Out of Adjustment
page: https://kanterella.com/05000254/LER-2D1983-2D043-2D03-2C_/03L-2D0-3Aon_831024-2Cwhile_Performing_Suppression_Chamber_to_Drywell_Vacuum_Breaker_Monthly_Exercise-2CVacuum_Breaker_1-2D1601-2D32C_Showed_D…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000254/LER-1983-043-03, /03L-0:on 831024,while Performing Suppression Chamber to Drywell Vacuum Breaker Monthly Exercise,Vacuum Breaker 1-1601-32C Showed Dual Indication While Closing. Caused by Limit Switch Out of Adjustment

05000277/LER-1994-005-02, :on 940722,actual Torus Water Level Less than That Indicated on Narrow Range Instrumentation.Initial Ref Marking Used to Support Calibr Activities Not Correct
type: Subject
page: https://kanterella.com/05000277/LER-2D1994-2D005-2D02-2C_-3Aon_940722-2Cactual_Torus_Water_Level_Less_than_That_Indicated_on_Narrow_Range_Instrumentation.Initial_Ref_Marking_Used_to_Support_Calibr_Act…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000277/LER-1994-005-02, :on 940722,actual Torus Water Level Less than That Indicated on Narrow Range Instrumentation.Initial Ref Marking Used to Support Calibr Activities Not Correct

Startup.Event to Be Discussed
type: Subject
label: 05000265/LER-1982-020-03, /03L-0:on 821013,drywell to Suppression Pool Differential Pressure Was 0 Psid & Suppression Pool Level Fell Below Tech Spec Limits During Startup.Caused by Personnel Preoccupation W/Startup.Event to Be Discussed
page: https://kanterella.com/05000265/LER-2D1982-2D020-2D03-2C_/03L-2D0-3Aon_821013-2Cdrywell_to_Suppression_Pool_Differential_Pressure_Was_0_Psid_-26_Suppression_Pool_Level_Fell_Below_Tech_Spec_Limits_Duri…
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: 05000265/LER-1982-020-03, /03L-0:on 821013,drywell to Suppression Pool Differential Pressure Was 0 Psid & Suppression Pool Level Fell Below Tech Spec Limits During Startup.Caused by Personnel Preoccupation W/Startup.Event to Be Discussed

ML20069A118
type: Subject
page: https://kanterella.com/ML20069A118
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20069A118

ML20072J671
type: Subject
page: https://kanterella.com/ML20072J671
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20072J671

IR 05000298/1990025
type: Subject
page: https://kanterella.com/IR_05000298/1990025
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000298/1990025

ML20076K800
type: Subject
page: https://kanterella.com/ML20076K800
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20076K800

IR 05000333/1990009
type: Subject
page: https://kanterella.com/IR_05000333/1990009
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: IR 05000333/1990009

ML20054K641
type: Subject
page: https://kanterella.com/ML20054K641
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20054K641

ML20198B742
type: Subject
page: https://kanterella.com/ML20198B742
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML20198B742

ML22171A013
type: Subject
page: https://kanterella.com/ML22171A013
wiki namespace: 0
wiki page content language: en
TS: TS-3.7.A
wiki page sort key: ML22171A013

TS
type: ObjectProperty
page: https://kanterella.com/Property-3ATS
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wiki page sort key: TS
type: wpg