NRC Form 36
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creation date: 2025-12-07T22:31:28-05:00
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NRC Form 36
type: Subject
page: https://kanterella.com/NRC_Form_36
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wiki page sort key: NRC Form 36

LER-1993-006, :on 930221,station Power Transformers 12 & 22 Deenergized Due to Tripping of Common 13 Kv Ring Bus Section 4 Breakers & 500 Kv Section 1 Breakers.Caused by Inadequate Communication.Caution Tags Hung on Breakers
type: Subject
label: 05000272/LER-1993-006, :on 930221,station Power Transformers 12 & 22 Deenergized Due to Tripping of Common 13 Kv Ring Bus Section 4 Breakers & 500 Kv Section 1 Breakers.Caused by Inadequate Communication.Caution Tags Hung on Breakers
page: https://kanterella.com/05000272/LER-2D1993-2D006-2C_-3Aon_930221-2Cstation_Power_Transformers_12_-26_22_Deenergized_Due_to_Tripping_of_Common_13_Kv_Ring_Bus_Section_4_Breakers_-26_500_Kv_Section_1_Bre…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000272/LER-1993-006, :on 930221,station Power Transformers 12 & 22 Deenergized Due to Tripping of Common 13 Kv Ring Bus Section 4 Breakers & 500 Kv Section 1 Breakers.Caused by Inadequate Communication.Caution Tags Hung on Breakers

IA-92-382, Package Consisting of General Records Schedule 23,NRC Manual Chapter Bulletin 0231-30,NRC Manual Chapter 0231, Maint & Disposition of NRC Official Files & Records & Mgt Directive 3.53, NRC Records Mgt Program
type: Subject
page: https://kanterella.com/IA-2D92-2D382-2C_Package_Consisting_of_General_Records_Schedule_23-2CNRC_Manual_Chapter_Bulletin_0231-2D30-2CNRC_Manual_Chapter_0231-2C_Maint_-26_Disposition_of_NRC_Official_Fil…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: IA-92-382, Package Consisting of General Records Schedule 23,NRC Manual Chapter Bulletin 0231-30,NRC Manual Chapter 0231, Maint & Disposition of NRC Official Files & Records & Mgt Directive 3.53, NRC Records Mgt Program

ML20216J419
type: Subject
page: https://kanterella.com/ML20216J419
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML20216J419

ML18018B058
type: Subject
page: https://kanterella.com/ML18018B058
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML18018B058

ML20213A204
type: Subject
page: https://kanterella.com/ML20213A204
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML20213A204

ML022480282
type: Subject
page: https://kanterella.com/ML022480282
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML022480282

ML14239A157
type: Subject
page: https://kanterella.com/ML14239A157
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML14239A157

ML20212K041
type: Subject
page: https://kanterella.com/ML20212K041
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML20212K041

ST-HL-AE-5481, Forwards Response to GL 96-04, Boraflex Degradation in Spent Fuel Pool Storage Racks, Per 10CFR50.54(f)
type: Subject
page: https://kanterella.com/ST-2DHL-2DAE-2D5481-2C_Forwards_Response_to_GL_96-2D04-2C_Boraflex_Degradation_in_Spent_Fuel_Pool_Storage_Racks-2C_Per_10CFR50.54-28f-29
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ST-HL-AE-5481, Forwards Response to GL 96-04, Boraflex Degradation in Spent Fuel Pool Storage Racks, Per 10CFR50.54(f)

05000260/LER-1994-010, :on 941005,loss of ECCS Division II Instrumentation Resulting from Blown Fuse in Atu Inverter. Caused by a Failed Capacitor.Blown DC Input Fuse Was Replaced
type: Subject
page: https://kanterella.com/05000260/LER-2D1994-2D010-2C_-3Aon_941005-2Closs_of_ECCS_Division_II_Instrumentation_Resulting_from_Blown_Fuse_in_Atu_Inverter._Caused_by_a_Failed_Capacitor.Blown_DC_Input_Fuse_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000260/LER-1994-010, :on 941005,loss of ECCS Division II Instrumentation Resulting from Blown Fuse in Atu Inverter. Caused by a Failed Capacitor.Blown DC Input Fuse Was Replaced

ML032580439
type: Subject
page: https://kanterella.com/ML032580439
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML032580439

ML030380531
type: Subject
page: https://kanterella.com/ML030380531
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML030380531

LER-1998-003, :on 980410,invalid Esfas of Group III PCIS Was Noted.Caused by Procedure Deficiencies & Loss of Instrument AC Control Power.Revised Procedures & Reviewed Electrical Panel Labels & Associated Operating Procedures
type: Subject
label: 05000331/LER-1998-003, :on 980410,invalid Esfas of Group III PCIS Was Noted.Caused by Procedure Deficiencies & Loss of Instrument AC Control Power.Revised Procedures & Reviewed Electrical Panel Labels & Associated Operating Procedures
page: https://kanterella.com/05000331/LER-2D1998-2D003-2C_-3Aon_980410-2Cinvalid_Esfas_of_Group_III_PCIS_Was_Noted.Caused_by_Procedure_Deficiencies_-26_Loss_of_Instrument_AC_Control_Power.Revised_Procedures…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000331/LER-1998-003, :on 980410,invalid Esfas of Group III PCIS Was Noted.Caused by Procedure Deficiencies & Loss of Instrument AC Control Power.Revised Procedures & Reviewed Electrical Panel Labels & Associated Operating Procedures

LER-1989-003-02, :on 890323,design Deficiencies Identified on Reactor Bldg Closed Cooling Water Sys.Caused by Original Analyses Considering Closed Cooling Water Sys Piping as closed-loop Sys.Design Change Initiated
type: Subject
label: 05000245/LER-1989-003-02, :on 890323,design Deficiencies Identified on Reactor Bldg Closed Cooling Water Sys.Caused by Original Analyses Considering Closed Cooling Water Sys Piping as closed-loop Sys.Design Change Initiated
page: https://kanterella.com/05000245/LER-2D1989-2D003-2D02-2C_-3Aon_890323-2Cdesign_Deficiencies_Identified_on_Reactor_Bldg_Closed_Cooling_Water_Sys.Caused_by_Original_Analyses_Considering_Closed_Cooling_W…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000245/LER-1989-003-02, :on 890323,design Deficiencies Identified on Reactor Bldg Closed Cooling Water Sys.Caused by Original Analyses Considering Closed Cooling Water Sys Piping as closed-loop Sys.Design Change Initiated

LER-1988-013, :on 880924,wire Discovered Terminated Incorrectly in 4,160-volt Ac Vital Power Supply Breaker Which Affected Automatic Starting Circuitry for HPI Pump. Cause Unknown.Wiring Error Corrected
type: Subject
label: 05000313/LER-1988-013, :on 880924,wire Discovered Terminated Incorrectly in 4,160-volt Ac Vital Power Supply Breaker Which Affected Automatic Starting Circuitry for HPI Pump. Cause Unknown.Wiring Error Corrected
page: https://kanterella.com/05000313/LER-2D1988-2D013-2C_-3Aon_880924-2Cwire_Discovered_Terminated_Incorrectly_in_4-2C160-2Dvolt_Ac_Vital_Power_Supply_Breaker_Which_Affected_Automatic_Starting_Circuitry_fo…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000313/LER-1988-013, :on 880924,wire Discovered Terminated Incorrectly in 4,160-volt Ac Vital Power Supply Breaker Which Affected Automatic Starting Circuitry for HPI Pump. Cause Unknown.Wiring Error Corrected

LER-1996-016, :on 961030,discovered as-found Lift Pressure for Unit 2 Pressurizer Safety Valve 2RC-434 Exceeded Max Lift Pressure Allowed by ASME Code.Caused by Use of Ambient Temp in Test Lab.Set Valve at More Appropriate Ambient Temp
type: Subject
label: 05000266/LER-1996-016, :on 961030,discovered as-found Lift Pressure for Unit 2 Pressurizer Safety Valve 2RC-434 Exceeded Max Lift Pressure Allowed by ASME Code.Caused by Use of Ambient Temp in Test Lab.Set Valve at More Appropriate Ambient Temp
page: https://kanterella.com/05000266/LER-2D1996-2D016-2C_-3Aon_961030-2Cdiscovered_as-2Dfound_Lift_Pressure_for_Unit_2_Pressurizer_Safety_Valve_2RC-2D434_Exceeded_Max_Lift_Pressure_Allowed_by_ASME_Code.Cau…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000266/LER-1996-016, :on 961030,discovered as-found Lift Pressure for Unit 2 Pressurizer Safety Valve 2RC-434 Exceeded Max Lift Pressure Allowed by ASME Code.Caused by Use of Ambient Temp in Test Lab.Set Valve at More Appropriate Ambient Temp

LER-1999-008, :on 990912,unit Tripped During Performance of Main Turbine Emergency Trip Test Procedures.Caused by Failure in Turbine Trip Test Circuitry.Main Control Boards Were Cleaned & Other Panels Were Inspected
type: Subject
label: 05000498/LER-1999-008, :on 990912,unit Tripped During Performance of Main Turbine Emergency Trip Test Procedures.Caused by Failure in Turbine Trip Test Circuitry.Main Control Boards Were Cleaned & Other Panels Were Inspected
page: https://kanterella.com/05000498/LER-2D1999-2D008-2C_-3Aon_990912-2Cunit_Tripped_During_Performance_of_Main_Turbine_Emergency_Trip_Test_Procedures.Caused_by_Failure_in_Turbine_Trip_Test_Circuitry.Main_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000498/LER-1999-008, :on 990912,unit Tripped During Performance of Main Turbine Emergency Trip Test Procedures.Caused by Failure in Turbine Trip Test Circuitry.Main Control Boards Were Cleaned & Other Panels Were Inspected

05000423/LER-1998-006, Forwards LER 98-006-00,documenting Condition Determined Reportable at Unit 3 on 980115.Util Commitments in Response to Event Contained within Attachment 1 to Ltr
type: Subject
page: https://kanterella.com/05000423/LER-2D1998-2D006-2C_Forwards_LER_98-2D006-2D00-2Cdocumenting_Condition_Determined_Reportable_at_Unit_3_on_980115.Util_Commitments_in_Response_to_Event_Contained_within_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000423/LER-1998-006, Forwards LER 98-006-00,documenting Condition Determined Reportable at Unit 3 on 980115.Util Commitments in Response to Event Contained within Attachment 1 to Ltr

LER-1999-003-01, :on 990310,discovered Failure of Manual Balancing Damper in Supply Duct of Control Bldg Evs.Caused by Failure to Adequately Review Risk & Consequences of Change.Failed Damper Was Clamped Open
type: Subject
label: 05000289/LER-1999-003-01, :on 990310,discovered Failure of Manual Balancing Damper in Supply Duct of Control Bldg Evs.Caused by Failure to Adequately Review Risk & Consequences of Change.Failed Damper Was Clamped Open
page: https://kanterella.com/05000289/LER-2D1999-2D003-2D01-2C_-3Aon_990310-2Cdiscovered_Failure_of_Manual_Balancing_Damper_in_Supply_Duct_of_Control_Bldg_Evs.Caused_by_Failure_to_Adequately_Review_Risk_-26…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000289/LER-1999-003-01, :on 990310,discovered Failure of Manual Balancing Damper in Supply Duct of Control Bldg Evs.Caused by Failure to Adequately Review Risk & Consequences of Change.Failed Damper Was Clamped Open

LER-1997-037-02, :on 971126,reduced Flow to Heat Exchangers Due to Svc Water Piping Liner Matl Lodged in Strainer for Edg. Will Perform Svc Water Piping Internal Inspections to Locate Source of Piping Liner Matl & Will Perform Repairs on Lin
type: Subject
label: 05000336/LER-1997-037-02, :on 971126,reduced Flow to Heat Exchangers Due to Svc Water Piping Liner Matl Lodged in Strainer for Edg. Will Perform Svc Water Piping Internal Inspections to Locate Source of Piping Liner Matl & Will Perform Repairs on Lin
page: https://kanterella.com/05000336/LER-2D1997-2D037-2D02-2C_-3Aon_971126-2Creduced_Flow_to_Heat_Exchangers_Due_to_Svc_Water_Piping_Liner_Matl_Lodged_in_Strainer_for_Edg._Will_Perform_Svc_Water_Piping_Int…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000336/LER-1997-037-02, :on 971126,reduced Flow to Heat Exchangers Due to Svc Water Piping Liner Matl Lodged in Strainer for Edg. Will Perform Svc Water Piping Internal Inspections to Locate Source of Piping Liner Matl & Will Perform Repairs on Lin

LER-1999-008, :on 990418,uplanned Automatic Closure of Div III DG Output Breaker Was Noted Due to Loss of Normal Power to Div III Switchgear During Testing.Caused by Personnel Error.Returned Electrical Lineup to Normal.With
type: Subject
label: 05000458/LER-1999-008, :on 990418,uplanned Automatic Closure of Div III DG Output Breaker Was Noted Due to Loss of Normal Power to Div III Switchgear During Testing.Caused by Personnel Error.Returned Electrical Lineup to Normal.With
page: https://kanterella.com/05000458/LER-2D1999-2D008-2C_-3Aon_990418-2Cuplanned_Automatic_Closure_of_Div_III_DG_Output_Breaker_Was_Noted_Due_to_Loss_of_Normal_Power_to_Div_III_Switchgear_During_Testing.Ca…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000458/LER-1999-008, :on 990418,uplanned Automatic Closure of Div III DG Output Breaker Was Noted Due to Loss of Normal Power to Div III Switchgear During Testing.Caused by Personnel Error.Returned Electrical Lineup to Normal.With

LER-1999-006-01, :on 990518,unexpected Actuation of B Channel PCIS Occurred.Caused by Personnel Error.Addl Training Will Be Provided to Operations Personnel to Preclude Addl Unexpected ESF Actuations
type: Subject
label: 05000354/LER-1999-006-01, :on 990518,unexpected Actuation of B Channel PCIS Occurred.Caused by Personnel Error.Addl Training Will Be Provided to Operations Personnel to Preclude Addl Unexpected ESF Actuations
page: https://kanterella.com/05000354/LER-2D1999-2D006-2D01-2C_-3Aon_990518-2Cunexpected_Actuation_of_B_Channel_PCIS_Occurred.Caused_by_Personnel_Error.Addl_Training_Will_Be_Provided_to_Operations_Personnel…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000354/LER-1999-006-01, :on 990518,unexpected Actuation of B Channel PCIS Occurred.Caused by Personnel Error.Addl Training Will Be Provided to Operations Personnel to Preclude Addl Unexpected ESF Actuations

LER-1985-019, :on 851026,partial Reactor Scram Occurred Due to Momentary Short in CRD Gas Pressure Circuit.Caused by Worn Mechanical Seal Allowing More Seal Water to Flow Through than Normal.Seal Leakage Reduced
type: Subject
label: 05000409/LER-1985-019, :on 851026,partial Reactor Scram Occurred Due to Momentary Short in CRD Gas Pressure Circuit.Caused by Worn Mechanical Seal Allowing More Seal Water to Flow Through than Normal.Seal Leakage Reduced
page: https://kanterella.com/05000409/LER-2D1985-2D019-2C_-3Aon_851026-2Cpartial_Reactor_Scram_Occurred_Due_to_Momentary_Short_in_CRD_Gas_Pressure_Circuit.Caused_by_Worn_Mechanical_Seal_Allowing_More_Seal_W…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000409/LER-1985-019, :on 851026,partial Reactor Scram Occurred Due to Momentary Short in CRD Gas Pressure Circuit.Caused by Worn Mechanical Seal Allowing More Seal Water to Flow Through than Normal.Seal Leakage Reduced

LER-1996-058, :on 961106,discovered Postulated Tornado Missile Damage to CST Could Cause Transfer Pump House Flooding.Caused by Sys Design Oversight.Ventilation Opening to Be Secured or Modified
type: Subject
label: 05000245/LER-1996-058, :on 961106,discovered Postulated Tornado Missile Damage to CST Could Cause Transfer Pump House Flooding.Caused by Sys Design Oversight.Ventilation Opening to Be Secured or Modified
page: https://kanterella.com/05000245/LER-2D1996-2D058-2C_-3Aon_961106-2Cdiscovered_Postulated_Tornado_Missile_Damage_to_CST_Could_Cause_Transfer_Pump_House_Flooding.Caused_by_Sys_Design_Oversight.Ventilati…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000245/LER-1996-058, :on 961106,discovered Postulated Tornado Missile Damage to CST Could Cause Transfer Pump House Flooding.Caused by Sys Design Oversight.Ventilation Opening to Be Secured or Modified

LER-1996-002, :on 960310,inadequate Surveillance for Determining Shutdown Margin When Unisolating Rcl Occurred Due to Procedure Inadequacy.Changes Will Be Made to Technical Requirements Manual
type: Subject
label: 05000423/LER-1996-002, :on 960310,inadequate Surveillance for Determining Shutdown Margin When Unisolating Rcl Occurred Due to Procedure Inadequacy.Changes Will Be Made to Technical Requirements Manual
page: https://kanterella.com/05000423/LER-2D1996-2D002-2C_-3Aon_960310-2Cinadequate_Surveillance_for_Determining_Shutdown_Margin_When_Unisolating_Rcl_Occurred_Due_to_Procedure_Inadequacy.Changes_Will_Be_Mad…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000423/LER-1996-002, :on 960310,inadequate Surveillance for Determining Shutdown Margin When Unisolating Rcl Occurred Due to Procedure Inadequacy.Changes Will Be Made to Technical Requirements Manual

05000361/LER-1985-022, :on 850330,during Monthly Surveillance on Pressurizer Pressure Low,Technician Removed Bypass from Channels A,C & D.Caused by Personnel Error.Technician Disciplined
type: Subject
page: https://kanterella.com/05000361/LER-2D1985-2D022-2C_-3Aon_850330-2Cduring_Monthly_Surveillance_on_Pressurizer_Pressure_Low-2CTechnician_Removed_Bypass_from_Channels_A-2CC_-26_D.Caused_by_Personnel_Err…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000361/LER-1985-022, :on 850330,during Monthly Surveillance on Pressurizer Pressure Low,Technician Removed Bypass from Channels A,C & D.Caused by Personnel Error.Technician Disciplined

05000298/LER-1995-018, :on 951121,recognized Design Bases of Steam Tunnel Blowout Panels Not Well Documented.Cause Cannot Be Established.Bulk of Fiberglass Removed from Blowout Panels
type: Subject
page: https://kanterella.com/05000298/LER-2D1995-2D018-2C_-3Aon_951121-2Crecognized_Design_Bases_of_Steam_Tunnel_Blowout_Panels_Not_Well_Documented.Cause_Cannot_Be_Established.Bulk_of_Fiberglass_Removed_fro…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000298/LER-1995-018, :on 951121,recognized Design Bases of Steam Tunnel Blowout Panels Not Well Documented.Cause Cannot Be Established.Bulk of Fiberglass Removed from Blowout Panels

LER-1985-007-01, :on 850222,controlled Shutdown Initiated. Caused by Inoperable Control Room Emergency Ventilation Sys. Analysis of Potential Radiological Consequences of Operation at Higher Flow Rates Performed.Room Balanced
type: Subject
label: 05000315/LER-1985-007-01, :on 850222,controlled Shutdown Initiated. Caused by Inoperable Control Room Emergency Ventilation Sys. Analysis of Potential Radiological Consequences of Operation at Higher Flow Rates Performed.Room Balanced
page: https://kanterella.com/05000315/LER-2D1985-2D007-2D01-2C_-3Aon_850222-2Ccontrolled_Shutdown_Initiated._Caused_by_Inoperable_Control_Room_Emergency_Ventilation_Sys._Analysis_of_Potential_Radiological_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000315/LER-1985-007-01, :on 850222,controlled Shutdown Initiated. Caused by Inoperable Control Room Emergency Ventilation Sys. Analysis of Potential Radiological Consequences of Operation at Higher Flow Rates Performed.Room Balanced

05000219/LER-1995-009, :on 960103,two APRM Were Inoperable Due to Lack of Complete Understanding of Circuitry.Addl Training on APRM Sys Provided & Quarterly Surveillance Test & Vendors Manual Revised
type: Subject
page: https://kanterella.com/05000219/LER-2D1995-2D009-2C_-3Aon_960103-2Ctwo_APRM_Were_Inoperable_Due_to_Lack_of_Complete_Understanding_of_Circuitry.Addl_Training_on_APRM_Sys_Provided_-26_Quarterly_Surveill…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000219/LER-1995-009, :on 960103,two APRM Were Inoperable Due to Lack of Complete Understanding of Circuitry.Addl Training on APRM Sys Provided & Quarterly Surveillance Test & Vendors Manual Revised

LER-1984-009, :on 840322,reactor Scram Occurred as Result of Low Reactor Vessel Operation.Caused by Failure of Operating Feed Pump Bearing.Plant Placed in Cold Shutdown While Repairs to Feed Pumps Completed
type: Subject
label: 05000333/LER-1984-009, :on 840322,reactor Scram Occurred as Result of Low Reactor Vessel Operation.Caused by Failure of Operating Feed Pump Bearing.Plant Placed in Cold Shutdown While Repairs to Feed Pumps Completed
page: https://kanterella.com/05000333/LER-2D1984-2D009-2C_-3Aon_840322-2Creactor_Scram_Occurred_as_Result_of_Low_Reactor_Vessel_Operation.Caused_by_Failure_of_Operating_Feed_Pump_Bearing.Plant_Placed_in_Col…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1984-009, :on 840322,reactor Scram Occurred as Result of Low Reactor Vessel Operation.Caused by Failure of Operating Feed Pump Bearing.Plant Placed in Cold Shutdown While Repairs to Feed Pumps Completed

LER-1993-022, :on 931029,wires Between RPS Scram Contractor Were Not Installed Inside Protective Conduits.Caused by Inadequate Design & Design Review.Corrective Action:Eight Resistors Were Relocated
type: Subject
label: 05000333/LER-1993-022, :on 931029,wires Between RPS Scram Contractor Were Not Installed Inside Protective Conduits.Caused by Inadequate Design & Design Review.Corrective Action:Eight Resistors Were Relocated
page: https://kanterella.com/05000333/LER-2D1993-2D022-2C_-3Aon_931029-2Cwires_Between_RPS_Scram_Contractor_Were_Not_Installed_Inside_Protective_Conduits.Caused_by_Inadequate_Design_-26_Design_Review.Correc…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1993-022, :on 931029,wires Between RPS Scram Contractor Were Not Installed Inside Protective Conduits.Caused by Inadequate Design & Design Review.Corrective Action:Eight Resistors Were Relocated

LER-1993-007, :on 931122,discovered Radwaste Area Effluent Flowpath Not Continuously Monitored During Release Due to Separated Sample Line Connection Resulting from Inadequate Procedural Guidance.Procedures Revised
type: Subject
label: 05000313/LER-1993-007, :on 931122,discovered Radwaste Area Effluent Flowpath Not Continuously Monitored During Release Due to Separated Sample Line Connection Resulting from Inadequate Procedural Guidance.Procedures Revised
page: https://kanterella.com/05000313/LER-2D1993-2D007-2C_-3Aon_931122-2Cdiscovered_Radwaste_Area_Effluent_Flowpath_Not_Continuously_Monitored_During_Release_Due_to_Separated_Sample_Line_Connection_Resultin…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000313/LER-1993-007, :on 931122,discovered Radwaste Area Effluent Flowpath Not Continuously Monitored During Release Due to Separated Sample Line Connection Resulting from Inadequate Procedural Guidance.Procedures Revised

05000333/LER-1993-014, :on 930529,discoverd Incomplete Logic Sys Functional Testing.Caused by Test Procedure Deficiencies. Surveillance Test Program Improved Plan Incorporated Into Improvement Program
type: Subject
page: https://kanterella.com/05000333/LER-2D1993-2D014-2C_-3Aon_930529-2Cdiscoverd_Incomplete_Logic_Sys_Functional_Testing.Caused_by_Test_Procedure_Deficiencies._Surveillance_Test_Program_Improved_Plan_Inco…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1993-014, :on 930529,discoverd Incomplete Logic Sys Functional Testing.Caused by Test Procedure Deficiencies. Surveillance Test Program Improved Plan Incorporated Into Improvement Program

03L-0:on 820727,during Mode 2 Operation,Channel a Local Power Density Margin Monitor 2J1-0003-1 Failed Channel Check.Caused by Burnout of Bar Graph Display Unit within Monitor.Unit Replaced
type: Subject
label: 05000361/LER-1982-075-03, /03L-0:on 820727,during Mode 2 Operation,Channel a Local Power Density Margin Monitor 2J1-0003-1 Failed Channel Check.Caused by Burnout of Bar Graph Display Unit within Monitor.Unit Replaced
page: https://kanterella.com/05000361/LER-2D1982-2D075-2D03-2C_/03L-2D0-3Aon_820727-2Cduring_Mode_2_Operation-2CChannel_a_Local_Power_Density_Margin_Monitor_2J1-2D0003-2D1_Failed_Channel_Check.Caused_by_Bur…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000361/LER-1982-075-03, /03L-0:on 820727,during Mode 2 Operation,Channel a Local Power Density Margin Monitor 2J1-0003-1 Failed Channel Check.Caused by Burnout of Bar Graph Display Unit within Monitor.Unit Replaced

A: Valve Secured in Open Position
type: Subject
label: 05000263/LER-1991-016, :on 910405,discovered Failure of non-safety Isolation Valve Could Block Flow of Emergency Svc Water Through Unit Condensers.Caused by Design Inadequacy.C/A: Valve Secured in Open Position
page: https://kanterella.com/05000263/LER-2D1991-2D016-2C_-3Aon_910405-2Cdiscovered_Failure_of_non-2Dsafety_Isolation_Valve_Could_Block_Flow_of_Emergency_Svc_Water_Through_Unit_Condensers.Caused_by_Design_I…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000263/LER-1991-016, :on 910405,discovered Failure of non-safety Isolation Valve Could Block Flow of Emergency Svc Water Through Unit Condensers.Caused by Design Inadequacy.C/A: Valve Secured in Open Position

ML20054K089
type: Subject
page: https://kanterella.com/ML20054K089
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML20054K089

LER-1993-009, :on 930715,receipt of Annunciator Charging Pump 12 Overload Trip Observed by CR Operators,Resulting in Unplanned Closure of Containment Isolation Valve.Standby Charging Pump Started Immediately
type: Subject
label: 05000282/LER-1993-009, :on 930715,receipt of Annunciator Charging Pump 12 Overload Trip Observed by CR Operators,Resulting in Unplanned Closure of Containment Isolation Valve.Standby Charging Pump Started Immediately
page: https://kanterella.com/05000282/LER-2D1993-2D009-2C_-3Aon_930715-2Creceipt_of_Annunciator_Charging_Pump_12_Overload_Trip_Observed_by_CR_Operators-2CResulting_in_Unplanned_Closure_of_Containment_Isolat…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000282/LER-1993-009, :on 930715,receipt of Annunciator Charging Pump 12 Overload Trip Observed by CR Operators,Resulting in Unplanned Closure of Containment Isolation Valve.Standby Charging Pump Started Immediately

LER-1993-004-01, :on 930602,discovered Potential Torus Condition Outside Design Basis.Caused by Inadequate Design Info. Documentation Procedures Revised.Torus Calculations to Include Peak Pressure Info
type: Subject
label: 05000219/LER-1993-004-01, :on 930602,discovered Potential Torus Condition Outside Design Basis.Caused by Inadequate Design Info. Documentation Procedures Revised.Torus Calculations to Include Peak Pressure Info
page: https://kanterella.com/05000219/LER-2D1993-2D004-2D01-2C_-3Aon_930602-2Cdiscovered_Potential_Torus_Condition_Outside_Design_Basis.Caused_by_Inadequate_Design_Info._Documentation_Procedures_Revised.Tor…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000219/LER-1993-004-01, :on 930602,discovered Potential Torus Condition Outside Design Basis.Caused by Inadequate Design Info. Documentation Procedures Revised.Torus Calculations to Include Peak Pressure Info

LER-1993-010-01, :on 930526,discovered That Screen Drive Coupling on Essential Cooling Water Traveling Screen 2A Damaged.Caused by Aging of Elastomeric Element.Couplings Replaced & Preventive Maint Initiated
type: Subject
label: 05000499/LER-1993-010-01, :on 930526,discovered That Screen Drive Coupling on Essential Cooling Water Traveling Screen 2A Damaged.Caused by Aging of Elastomeric Element.Couplings Replaced & Preventive Maint Initiated
page: https://kanterella.com/05000499/LER-2D1993-2D010-2D01-2C_-3Aon_930526-2Cdiscovered_That_Screen_Drive_Coupling_on_Essential_Cooling_Water_Traveling_Screen_2A_Damaged.Caused_by_Aging_of_Elastomeric_Elem…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000499/LER-1993-010-01, :on 930526,discovered That Screen Drive Coupling on Essential Cooling Water Traveling Screen 2A Damaged.Caused by Aging of Elastomeric Element.Couplings Replaced & Preventive Maint Initiated

Stronger Sources
type: Subject
label: 05000333/LER-1993-013-01, :on 930525,automatic Reactor Scram Occurred When APRM E Spiked While Indicated Water Level Approx 6%. Possibly Caused by Spiking of LPRM Input of APRM E. Radiation Sources Replaced W/Stronger Sources
page: https://kanterella.com/05000333/LER-2D1993-2D013-2D01-2C_-3Aon_930525-2Cautomatic_Reactor_Scram_Occurred_When_APRM_E_Spiked_While_Indicated_Water_Level_Approx_6-._Possibly_Caused_by_Spiking_of_LPRM_In…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1993-013-01, :on 930525,automatic Reactor Scram Occurred When APRM E Spiked While Indicated Water Level Approx 6%. Possibly Caused by Spiking of LPRM Input of APRM E. Radiation Sources Replaced W/Stronger Sources

LER-1993-002, :on 930225,RCIC Sys Declared Inoperable During Surveillance Testing.Caused by Galling of Valves Stem & Bonnet Chamber.Valve Stem & Bonnet Chamber Will Be Replaced & Parts Will Be Purchased Following Design
type: Subject
label: 05000293/LER-1993-002, :on 930225,RCIC Sys Declared Inoperable During Surveillance Testing.Caused by Galling of Valves Stem & Bonnet Chamber.Valve Stem & Bonnet Chamber Will Be Replaced & Parts Will Be Purchased Following Design
page: https://kanterella.com/05000293/LER-2D1993-2D002-2C_-3Aon_930225-2CRCIC_Sys_Declared_Inoperable_During_Surveillance_Testing.Caused_by_Galling_of_Valves_Stem_-26_Bonnet_Chamber.Valve_Stem_-26_Bonnet_Ch…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000293/LER-1993-002, :on 930225,RCIC Sys Declared Inoperable During Surveillance Testing.Caused by Galling of Valves Stem & Bonnet Chamber.Valve Stem & Bonnet Chamber Will Be Replaced & Parts Will Be Purchased Following Design

Rhr Valve Opening Permissive Were Outside Tech Spec Limits.Caused by Setpoint Drift.Switches Reset.Design Change Request Initiated
type: Subject
label: 05000259/LER-1981-064-03, /03L-0:on 811027,switch 1 of Recirculation Discharge Valve Closure & Switch 2 of Cs/Rhr Valve Opening Permissive Were Outside Tech Spec Limits.Caused by Setpoint Drift.Switches Reset.Design Change Request Initiated
page: https://kanterella.com/05000259/LER-2D1981-2D064-2D03-2C_/03L-2D0-3Aon_811027-2Cswitch_1_of_Recirculation_Discharge_Valve_Closure_-26_Switch_2_of_Cs/Rhr_Valve_Opening_Permissive_Were_Outside_Tech_Spec…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000259/LER-1981-064-03, /03L-0:on 811027,switch 1 of Recirculation Discharge Valve Closure & Switch 2 of Cs/Rhr Valve Opening Permissive Were Outside Tech Spec Limits.Caused by Setpoint Drift.Switches Reset.Design Change Request Initiated

05000324/LER-1991-001-03, :on 910125,reactor Scram Occurred During Calibr of Feedwater Computer Point.Caused by Incorrect Procedure in Summary Sheet.Maint Procedures Reviewed & Revised
type: Subject
page: https://kanterella.com/05000324/LER-2D1991-2D001-2D03-2C_-3Aon_910125-2Creactor_Scram_Occurred_During_Calibr_of_Feedwater_Computer_Point.Caused_by_Incorrect_Procedure_in_Summary_Sheet.Maint_Procedures…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000324/LER-1991-001-03, :on 910125,reactor Scram Occurred During Calibr of Feedwater Computer Point.Caused by Incorrect Procedure in Summary Sheet.Maint Procedures Reviewed & Revised

03L-0:on 820827,during Normal Operation,Primary Containment Average Air Temp Exceeded 130 F Tech Spec Limit. Caused by Failure of Pneumatic Control Line for Industrial Coolers.Control Line Replaced & Coolers Returned to Svc
type: Subject
label: 05000302/LER-1982-056-03, /03L-0:on 820827,during Normal Operation,Primary Containment Average Air Temp Exceeded 130 F Tech Spec Limit. Caused by Failure of Pneumatic Control Line for Industrial Coolers.Control Line Replaced & Coolers Returned to Svc
page: https://kanterella.com/05000302/LER-2D1982-2D056-2D03-2C_/03L-2D0-3Aon_820827-2Cduring_Normal_Operation-2CPrimary_Containment_Average_Air_Temp_Exceeded_130_F_Tech_Spec_Limit._Caused_by_Failure_of_Pneu…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000302/LER-1982-056-03, /03L-0:on 820827,during Normal Operation,Primary Containment Average Air Temp Exceeded 130 F Tech Spec Limit. Caused by Failure of Pneumatic Control Line for Industrial Coolers.Control Line Replaced & Coolers Returned to Svc

Spare Penetration Connectors
type: Subject
label: 05000346/LER-1978-021-03, /03L-1:on 780220,absolute Position Indicator for Control Rod 12 of Group 5 Declared Inoperable.Caused by Component Failure in Penetration Area.Conductors Connected W/Spare Penetration Connectors
page: https://kanterella.com/05000346/LER-2D1978-2D021-2D03-2C_/03L-2D1-3Aon_780220-2Cabsolute_Position_Indicator_for_Control_Rod_12_of_Group_5_Declared_Inoperable.Caused_by_Component_Failure_in_Penetration…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000346/LER-1978-021-03, /03L-1:on 780220,absolute Position Indicator for Control Rod 12 of Group 5 Declared Inoperable.Caused by Component Failure in Penetration Area.Conductors Connected W/Spare Penetration Connectors

04L-0:on 810112,annual Test of Offgas Automatic Isolation Not Performed as Required by Ets.Caused by Missed Surveillance Due to Conflict Between ETS & Operating Tech Specs.Surveillance Test Revised to Reflect ETS Requiremen
type: Subject
label: 05000333/LER-1981-005-04, /04L-0:on 810112,annual Test of Offgas Automatic Isolation Not Performed as Required by Ets.Caused by Missed Surveillance Due to Conflict Between ETS & Operating Tech Specs.Surveillance Test Revised to Reflect ETS Requiremen
page: https://kanterella.com/05000333/LER-2D1981-2D005-2D04-2C_/04L-2D0-3Aon_810112-2Cannual_Test_of_Offgas_Automatic_Isolation_Not_Performed_as_Required_by_Ets.Caused_by_Missed_Surveillance_Due_to_Conflict…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1981-005-04, /04L-0:on 810112,annual Test of Offgas Automatic Isolation Not Performed as Required by Ets.Caused by Missed Surveillance Due to Conflict Between ETS & Operating Tech Specs.Surveillance Test Revised to Reflect ETS Requiremen

Two Other Channels.Caused by Steam Leak in One Sensing Line Isolation Valve
type: Subject
label: 05000338/LER-1979-033-03, /03L-0 on 790321: C Steam Generator Narrow Range Level Indicator LI-1496 Gave Readings w/20% Disagreement W/Two Other Channels.Caused by Steam Leak in One Sensing Line Isolation Valve
page: https://kanterella.com/05000338/LER-2D1979-2D033-2D03-2C_/03L-2D0_on_790321-3A_C_Steam_Generator_Narrow_Range_Level_Indicator_LI-2D1496_Gave_Readings_w/20-_Disagreement_W/Two_Other_Channels.Caused_by_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000338/LER-1979-033-03, /03L-0 on 790321: C Steam Generator Narrow Range Level Indicator LI-1496 Gave Readings w/20% Disagreement W/Two Other Channels.Caused by Steam Leak in One Sensing Line Isolation Valve

Isolation of HPCI Sys Steam Line Were Set Above Tech Spec Limits.Caused by Use of Wrong Conversion Table
type: Subject
label: 05000333/LER-1978-097-01, /01X-1 on 781215:during Instrument Surveillance Procedure F-ISP 10,the 8 Temp Switches Associated W/ Isolation of HPCI Sys Steam Line Were Set Above Tech Spec Limits.Caused by Use of Wrong Conversion Table
page: https://kanterella.com/05000333/LER-2D1978-2D097-2D01-2C_/01X-2D1_on_781215-3Aduring_Instrument_Surveillance_Procedure_F-2DISP_10-2Cthe_8_Temp_Switches_Associated_W/_Isolation_of_HPCI_Sys_Steam_Line_W…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000333/LER-1978-097-01, /01X-1 on 781215:during Instrument Surveillance Procedure F-ISP 10,the 8 Temp Switches Associated W/ Isolation of HPCI Sys Steam Line Were Set Above Tech Spec Limits.Caused by Use of Wrong Conversion Table

E Informed Util That as-built Configuration of Line 47360-10 Inch,When Seismically Reanalyzed,May Result in Pipe Support Overstress.Caused by Nonconformance of Const Drawings.New Support Installed
type: Subject
label: 05000312/LER-1979-015-03, /03L-0:on 791031,A/E Informed Util That as-built Configuration of Line 47360-10 Inch,When Seismically Reanalyzed,May Result in Pipe Support Overstress.Caused by Nonconformance of Const Drawings.New Support Installed
page: https://kanterella.com/05000312/LER-2D1979-2D015-2D03-2C_/03L-2D0-3Aon_791031-2CA/E_Informed_Util_That_as-2Dbuilt_Configuration_of_Line_47360-2D10_Inch-2CWhen_Seismically_Reanalyzed-2CMay_Result_in_Pi…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000312/LER-1979-015-03, /03L-0:on 791031,A/E Informed Util That as-built Configuration of Line 47360-10 Inch,When Seismically Reanalyzed,May Result in Pipe Support Overstress.Caused by Nonconformance of Const Drawings.New Support Installed

05000280/LER-1992-006-02, :on 920424,determined That Three Snubbers Did Not Satisfy One Acceptance Criteria of TS 4.17.E.1a. Caused by Personnel Error.No Immediate Action Necessary
type: Subject
page: https://kanterella.com/05000280/LER-2D1992-2D006-2D02-2C_-3Aon_920424-2Cdetermined_That_Three_Snubbers_Did_Not_Satisfy_One_Acceptance_Criteria_of_TS_4.17.E.1a._Caused_by_Personnel_Error.No_Immediate_A…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000280/LER-1992-006-02, :on 920424,determined That Three Snubbers Did Not Satisfy One Acceptance Criteria of TS 4.17.E.1a. Caused by Personnel Error.No Immediate Action Necessary

05000280/LER-1991-006-01, :on 910419,AFW Pump 2-FW-P-3B Rendered Inoperable Due to Drawing Error.Pump Suction Line Plug Removed from Ecst,Satisfactorily Tested & Returned to Svc
type: Subject
page: https://kanterella.com/05000280/LER-2D1991-2D006-2D01-2C_-3Aon_910419-2CAFW_Pump_2-2DFW-2DP-2D3B_Rendered_Inoperable_Due_to_Drawing_Error.Pump_Suction_Line_Plug_Removed_from_Ecst-2CSatisfactorily_Test…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000280/LER-1991-006-01, :on 910419,AFW Pump 2-FW-P-3B Rendered Inoperable Due to Drawing Error.Pump Suction Line Plug Removed from Ecst,Satisfactorily Tested & Returned to Svc

LER-1990-006-01, :on 900701,station Svc Transformer Tripped Due to Actuation of Sudden Pressure Relay.Caused by Grounded Terminal in Sudden Pressure Relay Connector.Emergency & Abnormal Procedures Implemented
type: Subject
label: 05000280/LER-1990-006-01, :on 900701,station Svc Transformer Tripped Due to Actuation of Sudden Pressure Relay.Caused by Grounded Terminal in Sudden Pressure Relay Connector.Emergency & Abnormal Procedures Implemented
page: https://kanterella.com/05000280/LER-2D1990-2D006-2D01-2C_-3Aon_900701-2Cstation_Svc_Transformer_Tripped_Due_to_Actuation_of_Sudden_Pressure_Relay.Caused_by_Grounded_Terminal_in_Sudden_Pressure_Relay_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000280/LER-1990-006-01, :on 900701,station Svc Transformer Tripped Due to Actuation of Sudden Pressure Relay.Caused by Grounded Terminal in Sudden Pressure Relay Connector.Emergency & Abnormal Procedures Implemented

LER-1989-039, :on 891114,steam Generator a Header to Line Differential Pressure Input to Safety Injection Inoperable. Caused by Malfunctioning Relay Contact.Leads Removed from Contacts & Placed on Spare Contacts on Relay
type: Subject
label: 05000280/LER-1989-039, :on 891114,steam Generator a Header to Line Differential Pressure Input to Safety Injection Inoperable. Caused by Malfunctioning Relay Contact.Leads Removed from Contacts & Placed on Spare Contacts on Relay
page: https://kanterella.com/05000280/LER-2D1989-2D039-2C_-3Aon_891114-2Csteam_Generator_a_Header_to_Line_Differential_Pressure_Input_to_Safety_Injection_Inoperable._Caused_by_Malfunctioning_Relay_Contact.L…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000280/LER-1989-039, :on 891114,steam Generator a Header to Line Differential Pressure Input to Safety Injection Inoperable. Caused by Malfunctioning Relay Contact.Leads Removed from Contacts & Placed on Spare Contacts on Relay

LER-1989-027, :on 890815,containment Gaseous Radiation Monitor Momentarily Increased Above Alarm Setpoint,Resulting in Closure of Containment Instrument Air Compressor Valves. Caused by Increase in Airborne Concentration
type: Subject
label: 05000280/LER-1989-027, :on 890815,containment Gaseous Radiation Monitor Momentarily Increased Above Alarm Setpoint,Resulting in Closure of Containment Instrument Air Compressor Valves. Caused by Increase in Airborne Concentration
page: https://kanterella.com/05000280/LER-2D1989-2D027-2C_-3Aon_890815-2Ccontainment_Gaseous_Radiation_Monitor_Momentarily_Increased_Above_Alarm_Setpoint-2CResulting_in_Closure_of_Containment_Instrument_Air…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000280/LER-1989-027, :on 890815,containment Gaseous Radiation Monitor Momentarily Increased Above Alarm Setpoint,Resulting in Closure of Containment Instrument Air Compressor Valves. Caused by Increase in Airborne Concentration

05000281/LER-1993-006-03, :on 931115,Unit 2 Experienced Automatic Reactor Trip.Caused by Electrical Circuit Failure.Electrical Failure Traced to Defective Circuit Breaker & Replaced
type: Subject
page: https://kanterella.com/05000281/LER-2D1993-2D006-2D03-2C_-3Aon_931115-2CUnit_2_Experienced_Automatic_Reactor_Trip.Caused_by_Electrical_Circuit_Failure.Electrical_Failure_Traced_to_Defective_Circuit_Br…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000281/LER-1993-006-03, :on 931115,Unit 2 Experienced Automatic Reactor Trip.Caused by Electrical Circuit Failure.Electrical Failure Traced to Defective Circuit Breaker & Replaced

03L-0:on 791003,during Refueling Outage,Readings Showed Meteorological Instruments Inoperable.Apparently Caused by Lightning Strike Resulting in Induced Current in Rain Gauge Sensor,Removing Power from Sensors
type: Subject
label: 05000272/LER-1979-066-03, /03L-0:on 791003,during Refueling Outage,Readings Showed Meteorological Instruments Inoperable.Apparently Caused by Lightning Strike Resulting in Induced Current in Rain Gauge Sensor,Removing Power from Sensors
page: https://kanterella.com/05000272/LER-2D1979-2D066-2D03-2C_/03L-2D0-3Aon_791003-2Cduring_Refueling_Outage-2CReadings_Showed_Meteorological_Instruments_Inoperable.Apparently_Caused_by_Lightning_Strike_Re…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000272/LER-1979-066-03, /03L-0:on 791003,during Refueling Outage,Readings Showed Meteorological Instruments Inoperable.Apparently Caused by Lightning Strike Resulting in Induced Current in Rain Gauge Sensor,Removing Power from Sensors

LER-1988-008, :on 880512,containment Penetration Declared Inoperable Due to Failure to Complete Required Local Leak Rate Test within Prescribed Time Limitation.Caused by Data Entry Error.Test Schedule Verified
type: Subject
label: 05000255/LER-1988-008, :on 880512,containment Penetration Declared Inoperable Due to Failure to Complete Required Local Leak Rate Test within Prescribed Time Limitation.Caused by Data Entry Error.Test Schedule Verified
page: https://kanterella.com/05000255/LER-2D1988-2D008-2C_-3Aon_880512-2Ccontainment_Penetration_Declared_Inoperable_Due_to_Failure_to_Complete_Required_Local_Leak_Rate_Test_within_Prescribed_Time_Limitatio…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000255/LER-1988-008, :on 880512,containment Penetration Declared Inoperable Due to Failure to Complete Required Local Leak Rate Test within Prescribed Time Limitation.Caused by Data Entry Error.Test Schedule Verified

05000260/LER-1991-012, :on 910519,unplanned ESF Actuation Occurred Following Reactor Protection Sys Bus Deenergization.Caused by Random Equipment Failure.Failed RPS MG Set Motor Removed & Replaced
type: Subject
page: https://kanterella.com/05000260/LER-2D1991-2D012-2C_-3Aon_910519-2Cunplanned_ESF_Actuation_Occurred_Following_Reactor_Protection_Sys_Bus_Deenergization.Caused_by_Random_Equipment_Failure.Failed_RPS_MG…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000260/LER-1991-012, :on 910519,unplanned ESF Actuation Occurred Following Reactor Protection Sys Bus Deenergization.Caused by Random Equipment Failure.Failed RPS MG Set Motor Removed & Replaced

05000260/LER-1978-023-03, /03L-0 on 781211:reactor High Pressure Switches Ps-3-204A&B Exceeded Tech Spec Limits When Static-O-Ring 9N-AA45-(x9)-TT Pressure Switch Drifted Out of Tolerance
type: Subject
page: https://kanterella.com/05000260/LER-2D1978-2D023-2D03-2C_/03L-2D0_on_781211-3Areactor_High_Pressure_Switches_Ps-2D3-2D204A-26B_Exceeded_Tech_Spec_Limits_When_Static-2DO-2DRing_9N-2DAA45-2D-28x9-29-2DT…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000260/LER-1978-023-03, /03L-0 on 781211:reactor High Pressure Switches Ps-3-204A&B Exceeded Tech Spec Limits When Static-O-Ring 9N-AA45-(x9)-TT Pressure Switch Drifted Out of Tolerance

03L-0:on 781107,Unit 1 AB Diesel Declared Inoperable Following Inadvertent Removal of Circuit Board Card from Diesel Voltage Regulator Circuitry.Removal Caused by Technician Snagging the Board on Clothing
type: Subject
label: 05000315/LER-1978-062-03, /03L-0:on 781107,Unit 1 AB Diesel Declared Inoperable Following Inadvertent Removal of Circuit Board Card from Diesel Voltage Regulator Circuitry.Removal Caused by Technician Snagging the Board on Clothing
page: https://kanterella.com/05000315/LER-2D1978-2D062-2D03-2C_/03L-2D0-3Aon_781107-2CUnit_1_AB_Diesel_Declared_Inoperable_Following_Inadvertent_Removal_of_Circuit_Board_Card_from_Diesel_Voltage_Regulator_C…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000315/LER-1978-062-03, /03L-0:on 781107,Unit 1 AB Diesel Declared Inoperable Following Inadvertent Removal of Circuit Board Card from Diesel Voltage Regulator Circuitry.Removal Caused by Technician Snagging the Board on Clothing

05000528/LER-1990-010, :on 901012,ESF Actuation Caused by Calibr Step Omission in Work Document
type: Subject
page: https://kanterella.com/05000528/LER-2D1990-2D010-2C_-3Aon_901012-2CESF_Actuation_Caused_by_Calibr_Step_Omission_in_Work_Document
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000528/LER-1990-010, :on 901012,ESF Actuation Caused by Calibr Step Omission in Work Document

Tech Specs Identified as Part of Program of Surveillance Procedure Verification.Further Evaluation Performed.Quality Action Team to Be Chartered to Evaluate Program
type: Subject
label: 05000397/LER-1991-013, :on 910507,non-compliances W/Tech Specs Identified as Part of Program of Surveillance Procedure Verification.Further Evaluation Performed.Quality Action Team to Be Chartered to Evaluate Program
page: https://kanterella.com/05000397/LER-2D1991-2D013-2C_-3Aon_910507-2Cnon-2Dcompliances_W/Tech_Specs_Identified_as_Part_of_Program_of_Surveillance_Procedure_Verification.Further_Evaluation_Performed.Qual…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000397/LER-1991-013, :on 910507,non-compliances W/Tech Specs Identified as Part of Program of Surveillance Procedure Verification.Further Evaluation Performed.Quality Action Team to Be Chartered to Evaluate Program

LER-1988-016, :on 880518,reactor Protection Sys Actuation Ocurred.Caused by Error in Plant Design.Event Discussed in Mechanics Shop Meeting & Article Describing Event to Be Included in Prefuelling Outage Bulletin
type: Subject
label: 05000397/LER-1988-016, :on 880518,reactor Protection Sys Actuation Ocurred.Caused by Error in Plant Design.Event Discussed in Mechanics Shop Meeting & Article Describing Event to Be Included in Prefuelling Outage Bulletin
page: https://kanterella.com/05000397/LER-2D1988-2D016-2C_-3Aon_880518-2Creactor_Protection_Sys_Actuation_Ocurred.Caused_by_Error_in_Plant_Design.Event_Discussed_in_Mechanics_Shop_Meeting_-26_Article_Descri…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000397/LER-1988-016, :on 880518,reactor Protection Sys Actuation Ocurred.Caused by Error in Plant Design.Event Discussed in Mechanics Shop Meeting & Article Describing Event to Be Included in Prefuelling Outage Bulletin

LER-1988-013-01, :on 880512 & 13,loss of Power Occurred on Reactor Protection Sys (Rps).Caused by phase-to-ground Faults Due to Lightning.Rps Alternate Supply Electrical Protection Assembly Breaker & Logic Reset
type: Subject
label: 05000397/LER-1988-013-01, :on 880512 & 13,loss of Power Occurred on Reactor Protection Sys (Rps).Caused by phase-to-ground Faults Due to Lightning.Rps Alternate Supply Electrical Protection Assembly Breaker & Logic Reset
page: https://kanterella.com/05000397/LER-2D1988-2D013-2D01-2C_-3Aon_880512_-26_13-2Closs_of_Power_Occurred_on_Reactor_Protection_Sys_-28Rps-29.Caused_by_phase-2Dto-2Dground_Faults_Due_to_Lightning.Rps_Alte…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000397/LER-1988-013-01, :on 880512 & 13,loss of Power Occurred on Reactor Protection Sys (Rps).Caused by phase-to-ground Faults Due to Lightning.Rps Alternate Supply Electrical Protection Assembly Breaker & Logic Reset

As:Rev of Maint Procedures to Include Verification That Plant Conditions IAW TS Requirements Prior to Installation
type: Subject
label: 05000335/LER-1996-009, :on 960710,operation Prohibited by Tss.Caused by Procedural Inadequacy & Personnel Error.C/As:Rev of Maint Procedures to Include Verification That Plant Conditions IAW TS Requirements Prior to Installation
page: https://kanterella.com/05000335/LER-2D1996-2D009-2C_-3Aon_960710-2Coperation_Prohibited_by_Tss.Caused_by_Procedural_Inadequacy_-26_Personnel_Error.C/As-3ARev_of_Maint_Procedures_to_Include_Verificatio…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000335/LER-1996-009, :on 960710,operation Prohibited by Tss.Caused by Procedural Inadequacy & Personnel Error.C/As:Rev of Maint Procedures to Include Verification That Plant Conditions IAW TS Requirements Prior to Installation

ML16223A653
type: Subject
page: https://kanterella.com/ML16223A653
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML16223A653

05000529/LER-2005-006, Regarding Condition Prohibited by Technical Specifications Due to Partial Fouling of B Diesel Generator (EDG) Fuel Oil Strainer
type: Subject
page: https://kanterella.com/05000529/LER-2D2005-2D006-2C_Regarding_Condition_Prohibited_by_Technical_Specifications_Due_to_Partial_Fouling_of_B_Diesel_Generator_-28EDG-29_Fuel_Oil_Strainer
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000529/LER-2005-006, Regarding Condition Prohibited by Technical Specifications Due to Partial Fouling of B Diesel Generator (EDG) Fuel Oil Strainer

05000250/LER-2005-005, Manual Reactor Trip Due to Decrease in the 3C Steam Generator Level
type: Subject
page: https://kanterella.com/05000250/LER-2D2005-2D005-2C_Manual_Reactor_Trip_Due_to_Decrease_in_the_3C_Steam_Generator_Level
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000250/LER-2005-005, Manual Reactor Trip Due to Decrease in the 3C Steam Generator Level

05000305/LER-2004-005, Regarding Safety Injection Accumulator Isolation Valve Position During Heatup Violated Technical Specifications - Procedure Deficiency
type: Subject
page: https://kanterella.com/05000305/LER-2D2004-2D005-2C_Regarding_Safety_Injection_Accumulator_Isolation_Valve_Position_During_Heatup_Violated_Technical_Specifications_-2D_Procedure_Deficiency
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000305/LER-2004-005, Regarding Safety Injection Accumulator Isolation Valve Position During Heatup Violated Technical Specifications - Procedure Deficiency

05000251/LER-2004-003, Regarding Bearing Oil Leak Causes High Head Safety Injection Pump to Be Inoperable Longer than Allowed by Technical Specifications
type: Subject
page: https://kanterella.com/05000251/LER-2D2004-2D003-2C_Regarding_Bearing_Oil_Leak_Causes_High_Head_Safety_Injection_Pump_to_Be_Inoperable_Longer_than_Allowed_by_Technical_Specifications
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000251/LER-2004-003, Regarding Bearing Oil Leak Causes High Head Safety Injection Pump to Be Inoperable Longer than Allowed by Technical Specifications

05000443/LER-2004-003, Regarding Fire Scenario Results in Unanalyzed Condition-Potential Loss of Charging
type: Subject
page: https://kanterella.com/05000443/LER-2D2004-2D003-2C_Regarding_Fire_Scenario_Results_in_Unanalyzed_Condition-2DPotential_Loss_of_Charging
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000443/LER-2004-003, Regarding Fire Scenario Results in Unanalyzed Condition-Potential Loss of Charging

05000318/LER-2004-001, Regarding Reactor Trip Due to Low Steam Generator Water Level After Feed Pump Trip
type: Subject
page: https://kanterella.com/05000318/LER-2D2004-2D001-2C_Regarding_Reactor_Trip_Due_to_Low_Steam_Generator_Water_Level_After_Feed_Pump_Trip
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000318/LER-2004-001, Regarding Reactor Trip Due to Low Steam Generator Water Level After Feed Pump Trip

05000382/LER-2003-002, Regarding Failure of Emergency Diesel Generator a Fuel Oil Line
type: Subject
page: https://kanterella.com/05000382/LER-2D2003-2D002-2C_Regarding_Failure_of_Emergency_Diesel_Generator_a_Fuel_Oil_Line
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000382/LER-2003-002, Regarding Failure of Emergency Diesel Generator a Fuel Oil Line

05000250/LER-2003-002-01, Manual Reactor Trip Due to Low Steam Generator Level
type: Subject
page: https://kanterella.com/05000250/LER-2D2003-2D002-2D01-2C_Manual_Reactor_Trip_Due_to_Low_Steam_Generator_Level
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000250/LER-2003-002-01, Manual Reactor Trip Due to Low Steam Generator Level

05000483/LER-2003-004, For Callaway Plant Unit 1 Regarding Boron Dilution Mitigation System Blocked in Mode 3 Which Not Consistent with FSAR Accident Analysis
type: Subject
page: https://kanterella.com/05000483/LER-2D2003-2D004-2C_For_Callaway_Plant_Unit_1_Regarding_Boron_Dilution_Mitigation_System_Blocked_in_Mode_3_Which_Not_Consistent_with_FSAR_Accident_Analysis
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000483/LER-2003-004, For Callaway Plant Unit 1 Regarding Boron Dilution Mitigation System Blocked in Mode 3 Which Not Consistent with FSAR Accident Analysis

05000346/LER-2003-003, From Davis-Besse Unit 1, Regarding Potential Inadequate HPI Pump Minimum Recirculation Flow Following SBLOCA
type: Subject
page: https://kanterella.com/05000346/LER-2D2003-2D003-2C_From_Davis-2DBesse_Unit_1-2C_Regarding_Potential_Inadequate_HPI_Pump_Minimum_Recirculation_Flow_Following_SBLOCA
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000346/LER-2003-003, From Davis-Besse Unit 1, Regarding Potential Inadequate HPI Pump Minimum Recirculation Flow Following SBLOCA

ML030800572
type: Subject
page: https://kanterella.com/ML030800572
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML030800572

05000354/LER-2002-006, Operation with Offgas Rad Monitors Inoperable
type: Subject
page: https://kanterella.com/05000354/LER-2D2002-2D006-2C_Operation_with_Offgas_Rad_Monitors_Inoperable
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000354/LER-2002-006, Operation with Offgas Rad Monitors Inoperable

05000397/LER-2002-001, Re Completion of Technical Specification Required Shutdown Fo Comply with Technical Specification LCO 3.8.1 Required Actions of Condition F
type: Subject
page: https://kanterella.com/05000397/LER-2D2002-2D001-2C_Re_Completion_of_Technical_Specification_Required_Shutdown_Fo_Comply_with_Technical_Specification_LCO_3.8.1_Required_Actions_of_Condition_F
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000397/LER-2002-001, Re Completion of Technical Specification Required Shutdown Fo Comply with Technical Specification LCO 3.8.1 Required Actions of Condition F

ML13329A756
type: Subject
page: https://kanterella.com/ML13329A756
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: ML13329A756

LER-1998-004, :on 980507,discovered Design Deficiency in Stack Radiation Monitor RMS-14B Isokinetic Sampling.Caused by Failure to Account for Spent Fuel Bldg Ventilation Flow. Will Develop CAP for RMS-14B
type: Subject
label: 05000213/LER-1998-004, :on 980507,discovered Design Deficiency in Stack Radiation Monitor RMS-14B Isokinetic Sampling.Caused by Failure to Account for Spent Fuel Bldg Ventilation Flow. Will Develop CAP for RMS-14B
page: https://kanterella.com/05000213/LER-2D1998-2D004-2C_-3Aon_980507-2Cdiscovered_Design_Deficiency_in_Stack_Radiation_Monitor_RMS-2D14B_Isokinetic_Sampling.Caused_by_Failure_to_Account_for_Spent_Fuel_Bld…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000213/LER-1998-004, :on 980507,discovered Design Deficiency in Stack Radiation Monitor RMS-14B Isokinetic Sampling.Caused by Failure to Account for Spent Fuel Bldg Ventilation Flow. Will Develop CAP for RMS-14B

RCIC Not Operating.Caused by Setpoint Drift.Work Orders Initiated to Correct Meter Indication
type: Subject
label: 05000271/LER-1992-015, :on 920424,RCIC Sys Declared Inoperable When Sys Flow Controller Meter Indicated Approx 30 Gpm Flow W/ RCIC Not Operating.Caused by Setpoint Drift.Work Orders Initiated to Correct Meter Indication
page: https://kanterella.com/05000271/LER-2D1992-2D015-2C_-3Aon_920424-2CRCIC_Sys_Declared_Inoperable_When_Sys_Flow_Controller_Meter_Indicated_Approx_30_Gpm_Flow_W/_RCIC_Not_Operating.Caused_by_Setpoint_Dri…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000271/LER-1992-015, :on 920424,RCIC Sys Declared Inoperable When Sys Flow Controller Meter Indicated Approx 30 Gpm Flow W/ RCIC Not Operating.Caused by Setpoint Drift.Work Orders Initiated to Correct Meter Indication

LER-1998-004-03, :on 980514,noted That Surveillance Test Had Not Been Completed for Primary Containment Leakage Rate Testing Program.Caused by Lack of Proper Emphasis on Procedure Step Re Summation.Revised Pertinent Surveillance Procedures
type: Subject
label: 05000458/LER-1998-004-03, :on 980514,noted That Surveillance Test Had Not Been Completed for Primary Containment Leakage Rate Testing Program.Caused by Lack of Proper Emphasis on Procedure Step Re Summation.Revised Pertinent Surveillance Procedures
page: https://kanterella.com/05000458/LER-2D1998-2D004-2D03-2C_-3Aon_980514-2Cnoted_That_Surveillance_Test_Had_Not_Been_Completed_for_Primary_Containment_Leakage_Rate_Testing_Program.Caused_by_Lack_of_Prope…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000458/LER-1998-004-03, :on 980514,noted That Surveillance Test Had Not Been Completed for Primary Containment Leakage Rate Testing Program.Caused by Lack of Proper Emphasis on Procedure Step Re Summation.Revised Pertinent Surveillance Procedures

LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3
type: Subject
label: 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3
page: https://kanterella.com/05000245/LER-2D1996-2D052-2C_-3Aon_960920-2Cmotor_Operated_Valves_Unable_to_Close_within_Stroke_Time_Limits.Caused_by_Inadequate_Design_Margin.Performed_Modifications_to_Ensure_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3

05000458/LER-1995-004-01, :on 950419,auxiliary Bldg Door Was Determined Inoperable Due to Failure of Latching Mechanism.Immediately Restored Secondary Containment Door to Acceptable Configuration
type: Subject
page: https://kanterella.com/05000458/LER-2D1995-2D004-2D01-2C_-3Aon_950419-2Cauxiliary_Bldg_Door_Was_Determined_Inoperable_Due_to_Failure_of_Latching_Mechanism.Immediately_Restored_Secondary_Containment_Do…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 36
wiki page sort key: 05000458/LER-1995-004-01, :on 950419,auxiliary Bldg Door Was Determined Inoperable Due to Failure of Latching Mechanism.Immediately Restored Secondary Containment Door to Acceptable Configuration

NRC form
type: ObjectProperty
page: https://kanterella.com/Property-3ANRC_form
wiki namespace: 102
wiki page content language: en
wiki page sort key: NRC form
type: wpg