NRC Form 346
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creation date: 2025-12-08T01:39:39-05:00
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NRC Form 346
type: Subject
page: https://kanterella.com/NRC_Form_346
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wiki page sort key: NRC Form 346

ML20216H078
type: Subject
page: https://kanterella.com/ML20216H078
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wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: ML20216H078

ML20148T815
type: Subject
page: https://kanterella.com/ML20148T815
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: ML20148T815

ML20236X690
type: Subject
page: https://kanterella.com/ML20236X690
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: ML20236X690

LER-1998-004, :on 980423,determined That Indication in Fort Calhoun Station SG Tube Had Been Identified During 1996 Exams,But Had Been Inadvertently Left in Svc.Caused by Personnel Error.Procedures Revised
type: Subject
label: 05000285/LER-1998-004, :on 980423,determined That Indication in Fort Calhoun Station SG Tube Had Been Identified During 1996 Exams,But Had Been Inadvertently Left in Svc.Caused by Personnel Error.Procedures Revised
page: https://kanterella.com/05000285/LER-2D1998-2D004-2C_-3Aon_980423-2Cdetermined_That_Indication_in_Fort_Calhoun_Station_SG_Tube_Had_Been_Identified_During_1996_Exams-2CBut_Had_Been_Inadvertently_Left_in…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000285/LER-1998-004, :on 980423,determined That Indication in Fort Calhoun Station SG Tube Had Been Identified During 1996 Exams,But Had Been Inadvertently Left in Svc.Caused by Personnel Error.Procedures Revised

05000482/LER-1987-025, :on 870623,ESFAS Initiated During Performance of Surveillance Test Procedure.Caused by Personnel Error. Surveillance Test Procedures Revised
type: Subject
page: https://kanterella.com/05000482/LER-2D1987-2D025-2C_-3Aon_870623-2CESFAS_Initiated_During_Performance_of_Surveillance_Test_Procedure.Caused_by_Personnel_Error._Surveillance_Test_Procedures_Revised
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000482/LER-1987-025, :on 870623,ESFAS Initiated During Performance of Surveillance Test Procedure.Caused by Personnel Error. Surveillance Test Procedures Revised

LER-1997-004-02, :on 970724,inadequate Surveillance of Division III Battery Occurred Due to Calculation Error.Performed Revised Division III Battery Svc Discharge Test Procedure Using Correct Battery Profile
type: Subject
label: 05000458/LER-1997-004-02, :on 970724,inadequate Surveillance of Division III Battery Occurred Due to Calculation Error.Performed Revised Division III Battery Svc Discharge Test Procedure Using Correct Battery Profile
page: https://kanterella.com/05000458/LER-2D1997-2D004-2D02-2C_-3Aon_970724-2Cinadequate_Surveillance_of_Division_III_Battery_Occurred_Due_to_Calculation_Error.Performed_Revised_Division_III_Battery_Svc_Dis…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000458/LER-1997-004-02, :on 970724,inadequate Surveillance of Division III Battery Occurred Due to Calculation Error.Performed Revised Division III Battery Svc Discharge Test Procedure Using Correct Battery Profile

LER-1997-028, :on 970618,missed RHR Sys Increased Frequency Surveillance Resulted in Operation to Be Outside of TS Requirements Due to Personnel Error.Improved Procedures Governing Station Surveillances
type: Subject
label: 05000373/LER-1997-028, :on 970618,missed RHR Sys Increased Frequency Surveillance Resulted in Operation to Be Outside of TS Requirements Due to Personnel Error.Improved Procedures Governing Station Surveillances
page: https://kanterella.com/05000373/LER-2D1997-2D028-2C_-3Aon_970618-2Cmissed_RHR_Sys_Increased_Frequency_Surveillance_Resulted_in_Operation_to_Be_Outside_of_TS_Requirements_Due_to_Personnel_Error.Improve…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000373/LER-1997-028, :on 970618,missed RHR Sys Increased Frequency Surveillance Resulted in Operation to Be Outside of TS Requirements Due to Personnel Error.Improved Procedures Governing Station Surveillances

LER-1986-004-04, :on 860922,incorrect Data Used in Executing Incore Computer Program.Caused by Personnel Error.Incore Corrected & Verified.Previous Informal Written Procedure for Installing Data & Software Formalized
type: Subject
label: 05000328/LER-1986-004-04, :on 860922,incorrect Data Used in Executing Incore Computer Program.Caused by Personnel Error.Incore Corrected & Verified.Previous Informal Written Procedure for Installing Data & Software Formalized
page: https://kanterella.com/05000328/LER-2D1986-2D004-2D04-2C_-3Aon_860922-2Cincorrect_Data_Used_in_Executing_Incore_Computer_Program.Caused_by_Personnel_Error.Incore_Corrected_-26_Verified.Previous_Inform…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000328/LER-1986-004-04, :on 860922,incorrect Data Used in Executing Incore Computer Program.Caused by Personnel Error.Incore Corrected & Verified.Previous Informal Written Procedure for Installing Data & Software Formalized

Involved Personnel
type: Subject
label: 05000362/LER-1986-013-01, :on 860904,reactor Tripped on Loss of Load When Power Supply to Turbine Protection Panel Momentarily Interrupted.Caused by Operator Error.Event Discussed During Shift Briefings W/Involved Personnel
page: https://kanterella.com/05000362/LER-2D1986-2D013-2D01-2C_-3Aon_860904-2Creactor_Tripped_on_Loss_of_Load_When_Power_Supply_to_Turbine_Protection_Panel_Momentarily_Interrupted.Caused_by_Operator_Error.E…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000362/LER-1986-013-01, :on 860904,reactor Tripped on Loss of Load When Power Supply to Turbine Protection Panel Momentarily Interrupted.Caused by Operator Error.Event Discussed During Shift Briefings W/Involved Personnel

05000361/LER-1986-030, :on 860911,core Protection Calculator Channel a Failed.Caused by Equipment Approaching End of Expected Life Cycle.Power Supply Replaced
type: Subject
page: https://kanterella.com/05000361/LER-2D1986-2D030-2C_-3Aon_860911-2Ccore_Protection_Calculator_Channel_a_Failed.Caused_by_Equipment_Approaching_End_of_Expected_Life_Cycle.Power_Supply_Replaced
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000361/LER-1986-030, :on 860911,core Protection Calculator Channel a Failed.Caused by Equipment Approaching End of Expected Life Cycle.Power Supply Replaced

LER-1986-027-01, :on 860531,turbine Trip Caused Actuation of Reactor Protection Sys,Initiating Reactor Trip.Caused by Personnel Error Due to Inadequate Procedures.Plant Operating Procedures Revised
type: Subject
label: 05000529/LER-1986-027-01, :on 860531,turbine Trip Caused Actuation of Reactor Protection Sys,Initiating Reactor Trip.Caused by Personnel Error Due to Inadequate Procedures.Plant Operating Procedures Revised
page: https://kanterella.com/05000529/LER-2D1986-2D027-2D01-2C_-3Aon_860531-2Cturbine_Trip_Caused_Actuation_of_Reactor_Protection_Sys-2CInitiating_Reactor_Trip.Caused_by_Personnel_Error_Due_to_Inadequate_Pr…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000529/LER-1986-027-01, :on 860531,turbine Trip Caused Actuation of Reactor Protection Sys,Initiating Reactor Trip.Caused by Personnel Error Due to Inadequate Procedures.Plant Operating Procedures Revised

05000409/LER-1999-001, :on 990305,excessive back-flow Through Return Line Check Valve Was Noted.Check Valve Were Declared Inoperable.Compensatory Actions for Fesw Sys Pipe Break Were Established.With
type: Subject
page: https://kanterella.com/05000409/LER-2D1999-2D001-2C_-3Aon_990305-2Cexcessive_back-2Dflow_Through_Return_Line_Check_Valve_Was_Noted.Check_Valve_Were_Declared_Inoperable.Compensatory_Actions_for_Fesw_Sy…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000409/LER-1999-001, :on 990305,excessive back-flow Through Return Line Check Valve Was Noted.Check Valve Were Declared Inoperable.Compensatory Actions for Fesw Sys Pipe Break Were Established.With

LER-1997-007-01, :on 971121,manual Reactor Trip Occurred.Caused by Two Separate Failure Mechanisms That Combined to Result in Loss of Power to Cabinet.Failed Voltage to Pulse Converter Circuit Card Was Replaced
type: Subject
label: 05000499/LER-1997-007-01, :on 971121,manual Reactor Trip Occurred.Caused by Two Separate Failure Mechanisms That Combined to Result in Loss of Power to Cabinet.Failed Voltage to Pulse Converter Circuit Card Was Replaced
page: https://kanterella.com/05000499/LER-2D1997-2D007-2D01-2C_-3Aon_971121-2Cmanual_Reactor_Trip_Occurred.Caused_by_Two_Separate_Failure_Mechanisms_That_Combined_to_Result_in_Loss_of_Power_to_Cabinet.Faile…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000499/LER-1997-007-01, :on 971121,manual Reactor Trip Occurred.Caused by Two Separate Failure Mechanisms That Combined to Result in Loss of Power to Cabinet.Failed Voltage to Pulse Converter Circuit Card Was Replaced

05000373/LER-1997-036, :on 971014,identified Error in Station Method of Accomplishing Channel Functional Test Requirements of TS 4.8.3.3.1.b.Caused by Personnel Error.Procedure Revised.W/
type: Subject
page: https://kanterella.com/05000373/LER-2D1997-2D036-2C_-3Aon_971014-2Cidentified_Error_in_Station_Method_of_Accomplishing_Channel_Functional_Test_Requirements_of_TS_4.8.3.3.1.b.Caused_by_Personnel_Error.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000373/LER-1997-036, :on 971014,identified Error in Station Method of Accomplishing Channel Functional Test Requirements of TS 4.8.3.3.1.b.Caused by Personnel Error.Procedure Revised.W/

LER-1997-008-02, :on 971004,inadvertent Closure of RHR Shutdown Cooling Inboard Isolation Valve Occurred.Caused by Inadequate Administrative Controls,Supervision & Work Practices.Procedures Revised
type: Subject
label: 05000458/LER-1997-008-02, :on 971004,inadvertent Closure of RHR Shutdown Cooling Inboard Isolation Valve Occurred.Caused by Inadequate Administrative Controls,Supervision & Work Practices.Procedures Revised
page: https://kanterella.com/05000458/LER-2D1997-2D008-2D02-2C_-3Aon_971004-2Cinadvertent_Closure_of_RHR_Shutdown_Cooling_Inboard_Isolation_Valve_Occurred.Caused_by_Inadequate_Administrative_Controls-2CSupe…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000458/LER-1997-008-02, :on 971004,inadvertent Closure of RHR Shutdown Cooling Inboard Isolation Valve Occurred.Caused by Inadequate Administrative Controls,Supervision & Work Practices.Procedures Revised

LER-1997-013-01, :on 971216,high Pressure Coolant Sys Was Declared Inoperable.Caused by Instrument Malfunction During Surveillance Testing.Completed Repair Activities to Correct Adjustments to Master Trip Unit
type: Subject
label: 05000333/LER-1997-013-01, :on 971216,high Pressure Coolant Sys Was Declared Inoperable.Caused by Instrument Malfunction During Surveillance Testing.Completed Repair Activities to Correct Adjustments to Master Trip Unit
page: https://kanterella.com/05000333/LER-2D1997-2D013-2D01-2C_-3Aon_971216-2Chigh_Pressure_Coolant_Sys_Was_Declared_Inoperable.Caused_by_Instrument_Malfunction_During_Surveillance_Testing.Completed_Repair_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000333/LER-1997-013-01, :on 971216,high Pressure Coolant Sys Was Declared Inoperable.Caused by Instrument Malfunction During Surveillance Testing.Completed Repair Activities to Correct Adjustments to Master Trip Unit

LER-1997-016, :on 970414,rod Block Monitor Were Not Adequately Functionally Tested as Required by Ts.Caused by Inadequate Procedures.Affected Procedures Will Be Revised & Performed Prior to Plant Restart
type: Subject
label: 05000373/LER-1997-016, :on 970414,rod Block Monitor Were Not Adequately Functionally Tested as Required by Ts.Caused by Inadequate Procedures.Affected Procedures Will Be Revised & Performed Prior to Plant Restart
page: https://kanterella.com/05000373/LER-2D1997-2D016-2C_-3Aon_970414-2Crod_Block_Monitor_Were_Not_Adequately_Functionally_Tested_as_Required_by_Ts.Caused_by_Inadequate_Procedures.Affected_Procedures_Will_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000373/LER-1997-016, :on 970414,rod Block Monitor Were Not Adequately Functionally Tested as Required by Ts.Caused by Inadequate Procedures.Affected Procedures Will Be Revised & Performed Prior to Plant Restart

LER-1997-003-02, :on 970328,excessive Leakage Identified on Secondary Bypass Valves Was Caused by Undersized Valve Operators & Inappropriate Valve & Operator Orientation. Re-routed Piping Containing Valves
type: Subject
label: 05000366/LER-1997-003-02, :on 970328,excessive Leakage Identified on Secondary Bypass Valves Was Caused by Undersized Valve Operators & Inappropriate Valve & Operator Orientation. Re-routed Piping Containing Valves
page: https://kanterella.com/05000366/LER-2D1997-2D003-2D02-2C_-3Aon_970328-2Cexcessive_Leakage_Identified_on_Secondary_Bypass_Valves_Was_Caused_by_Undersized_Valve_Operators_-26_Inappropriate_Valve_-26_Ope…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000366/LER-1997-003-02, :on 970328,excessive Leakage Identified on Secondary Bypass Valves Was Caused by Undersized Valve Operators & Inappropriate Valve & Operator Orientation. Re-routed Piping Containing Valves

LER-1997-008, :on 920408,determined That DG Undervoltage Relays Inoperable Due to Inadequate Process to Review Operability Requirements of Plant Equipment as Defined in Ts.Amend Requested to Change TS
type: Subject
label: 05000461/LER-1997-008, :on 920408,determined That DG Undervoltage Relays Inoperable Due to Inadequate Process to Review Operability Requirements of Plant Equipment as Defined in Ts.Amend Requested to Change TS
page: https://kanterella.com/05000461/LER-2D1997-2D008-2C_-3Aon_920408-2Cdetermined_That_DG_Undervoltage_Relays_Inoperable_Due_to_Inadequate_Process_to_Review_Operability_Requirements_of_Plant_Equipment_as_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000461/LER-1997-008, :on 920408,determined That DG Undervoltage Relays Inoperable Due to Inadequate Process to Review Operability Requirements of Plant Equipment as Defined in Ts.Amend Requested to Change TS

05000245/LER-1997-001-02, :on 970110,liquid Radwaste Effluent Radiation Monitor Declared Inoperable Due to Leaking Automatic Isolation Valves.Valves Repaired
type: Subject
page: https://kanterella.com/05000245/LER-2D1997-2D001-2D02-2C_-3Aon_970110-2Cliquid_Radwaste_Effluent_Radiation_Monitor_Declared_Inoperable_Due_to_Leaking_Automatic_Isolation_Valves.Valves_Repaired
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000245/LER-1997-001-02, :on 970110,liquid Radwaste Effluent Radiation Monitor Declared Inoperable Due to Leaking Automatic Isolation Valves.Valves Repaired

LER-1984-009-02, :on 841205,load Sequencer 31-day Surveillance Delinquent.Caused by Personnel Oversight.Personnel Counseled & Performance of Tech Spec Required Surveillances in Specified Manner Reemphasized
type: Subject
label: 05000206/LER-1984-009-02, :on 841205,load Sequencer 31-day Surveillance Delinquent.Caused by Personnel Oversight.Personnel Counseled & Performance of Tech Spec Required Surveillances in Specified Manner Reemphasized
page: https://kanterella.com/05000206/LER-2D1984-2D009-2D02-2C_-3Aon_841205-2Cload_Sequencer_31-2Dday_Surveillance_Delinquent.Caused_by_Personnel_Oversight.Personnel_Counseled_-26_Performance_of_Tech_Spec_R…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000206/LER-1984-009-02, :on 841205,load Sequencer 31-day Surveillance Delinquent.Caused by Personnel Oversight.Personnel Counseled & Performance of Tech Spec Required Surveillances in Specified Manner Reemphasized

05000338/LER-1996-006-01, :on 961003,charging Pump Interlock Logic Renders Pumps Inoperable.Caused by Design Error.Action Statement Was Entered on Both Units to Prevent Susceptable Pump line-up
type: Subject
page: https://kanterella.com/05000338/LER-2D1996-2D006-2D01-2C_-3Aon_961003-2Ccharging_Pump_Interlock_Logic_Renders_Pumps_Inoperable.Caused_by_Design_Error.Action_Statement_Was_Entered_on_Both_Units_to_Prev…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000338/LER-1996-006-01, :on 961003,charging Pump Interlock Logic Renders Pumps Inoperable.Caused by Design Error.Action Statement Was Entered on Both Units to Prevent Susceptable Pump line-up

LER-1996-004-08, :on 960731,TS Fire Watch Was Missed Due to Incomplete Fire Impairment Permit.Caused by Human Error in Preparation of OOS for Inverter.Informed OOS & Fire Impairment Preparers of Event
type: Subject
label: 05000374/LER-1996-004-08, :on 960731,TS Fire Watch Was Missed Due to Incomplete Fire Impairment Permit.Caused by Human Error in Preparation of OOS for Inverter.Informed OOS & Fire Impairment Preparers of Event
page: https://kanterella.com/05000374/LER-2D1996-2D004-2D08-2C_-3Aon_960731-2CTS_Fire_Watch_Was_Missed_Due_to_Incomplete_Fire_Impairment_Permit.Caused_by_Human_Error_in_Preparation_of_OOS_for_Inverter.Infor…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000374/LER-1996-004-08, :on 960731,TS Fire Watch Was Missed Due to Incomplete Fire Impairment Permit.Caused by Human Error in Preparation of OOS for Inverter.Informed OOS & Fire Impairment Preparers of Event

05000457/LER-1996-005-05, :on 960506,inadventent Start of 2A Auxiliary Feed Water Pump Occurred.Caused by Personnel Error.Personnel Involved Counselled & Procedures Revised
type: Subject
page: https://kanterella.com/05000457/LER-2D1996-2D005-2D05-2C_-3Aon_960506-2Cinadventent_Start_of_2A_Auxiliary_Feed_Water_Pump_Occurred.Caused_by_Personnel_Error.Personnel_Involved_Counselled_-26_Procedure…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000457/LER-1996-005-05, :on 960506,inadventent Start of 2A Auxiliary Feed Water Pump Occurred.Caused by Personnel Error.Personnel Involved Counselled & Procedures Revised

LER-1996-004, :on 960315,discovered Adequate Shutdown Margin Was Not Maintained.Caused by Inadequate Technical Review by Plant Personnel Involved in Reviewing Procedure Change. Appropriate Personnel Trained on Incident
type: Subject
label: 05000285/LER-1996-004, :on 960315,discovered Adequate Shutdown Margin Was Not Maintained.Caused by Inadequate Technical Review by Plant Personnel Involved in Reviewing Procedure Change. Appropriate Personnel Trained on Incident
page: https://kanterella.com/05000285/LER-2D1996-2D004-2C_-3Aon_960315-2Cdiscovered_Adequate_Shutdown_Margin_Was_Not_Maintained.Caused_by_Inadequate_Technical_Review_by_Plant_Personnel_Involved_in_Reviewing…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000285/LER-1996-004, :on 960315,discovered Adequate Shutdown Margin Was Not Maintained.Caused by Inadequate Technical Review by Plant Personnel Involved in Reviewing Procedure Change. Appropriate Personnel Trained on Incident

LER-1985-001-02, :on 850127,RCS Water Inventory Balance Indicated 2.97 Gpm Leakage Rate,Exceeding 1.0 Gpm Limit.On 850128,containment Purge Isolation Sys Train a Actuated from Airborne Iodine Resulting from Leak
type: Subject
label: 05000362/LER-1985-001-02, :on 850127,RCS Water Inventory Balance Indicated 2.97 Gpm Leakage Rate,Exceeding 1.0 Gpm Limit.On 850128,containment Purge Isolation Sys Train a Actuated from Airborne Iodine Resulting from Leak
page: https://kanterella.com/05000362/LER-2D1985-2D001-2D02-2C_-3Aon_850127-2CRCS_Water_Inventory_Balance_Indicated_2.97_Gpm_Leakage_Rate-2CExceeding_1.0_Gpm_Limit.On_850128-2Ccontainment_Purge_Isolation_Sy…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000362/LER-1985-001-02, :on 850127,RCS Water Inventory Balance Indicated 2.97 Gpm Leakage Rate,Exceeding 1.0 Gpm Limit.On 850128,containment Purge Isolation Sys Train a Actuated from Airborne Iodine Resulting from Leak

05000301/LER-1995-006-01, :on 951125,PORV post-maint Testing Was Not Performed Prior to Establishing Ltop.Caused by Inadequate Control of post-maint Testing.Established TS Compliance by Venting RCS
type: Subject
page: https://kanterella.com/05000301/LER-2D1995-2D006-2D01-2C_-3Aon_951125-2CPORV_post-2Dmaint_Testing_Was_Not_Performed_Prior_to_Establishing_Ltop.Caused_by_Inadequate_Control_of_post-2Dmaint_Testing.Esta…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000301/LER-1995-006-01, :on 951125,PORV post-maint Testing Was Not Performed Prior to Establishing Ltop.Caused by Inadequate Control of post-maint Testing.Established TS Compliance by Venting RCS

LER-1995-026-01, :on 951026,RMCS Found in locked-up Condition Causing Entry of LCO Action Statement.Caused by Failure to Maintain Power Supply within Required Tolerances. Investigation Continuing
type: Subject
label: 05000354/LER-1995-026-01, :on 951026,RMCS Found in locked-up Condition Causing Entry of LCO Action Statement.Caused by Failure to Maintain Power Supply within Required Tolerances. Investigation Continuing
page: https://kanterella.com/05000354/LER-2D1995-2D026-2D01-2C_-3Aon_951026-2CRMCS_Found_in_locked-2Dup_Condition_Causing_Entry_of_LCO_Action_Statement.Caused_by_Failure_to_Maintain_Power_Supply_within_Requ…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000354/LER-1995-026-01, :on 951026,RMCS Found in locked-up Condition Causing Entry of LCO Action Statement.Caused by Failure to Maintain Power Supply within Required Tolerances. Investigation Continuing

Recorders to Determine Which Analyzer Caused Trip
type: Subject
label: 05000361/LER-1984-052, :on 840903,06 & 11,spurious Toxic Gas Isolation Sys on Trains a & B Actuated,Respectively.Caused by Overly Conservative Alarm Setpoints.Sys Instrumented W/Recorders to Determine Which Analyzer Caused Trip
page: https://kanterella.com/05000361/LER-2D1984-2D052-2C_-3Aon_840903-2C06_-26_11-2Cspurious_Toxic_Gas_Isolation_Sys_on_Trains_a_-26_B_Actuated-2CRespectively.Caused_by_Overly_Conservative_Alarm_Setpoints.…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000361/LER-1984-052, :on 840903,06 & 11,spurious Toxic Gas Isolation Sys on Trains a & B Actuated,Respectively.Caused by Overly Conservative Alarm Setpoints.Sys Instrumented W/Recorders to Determine Which Analyzer Caused Trip

05000281/LER-1983-054-03, /03L-0:on 831118,at Full Power,Emergency Diesel Output Breaker 3 Inadvertently Tagged Out.Caused by Personnel Error.Breaker 25J3 Racked In.Operator Disciplined
type: Subject
page: https://kanterella.com/05000281/LER-2D1983-2D054-2D03-2C_/03L-2D0-3Aon_831118-2Cat_Full_Power-2CEmergency_Diesel_Output_Breaker_3_Inadvertently_Tagged_Out.Caused_by_Personnel_Error.Breaker_25J3_Racked…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000281/LER-1983-054-03, /03L-0:on 831118,at Full Power,Emergency Diesel Output Breaker 3 Inadvertently Tagged Out.Caused by Personnel Error.Breaker 25J3 Racked In.Operator Disciplined

03L-0:on 830923,while Performing S.I.4.9.A.4.b, Undervoltage Start of Diesel Generator,Diesel Generator 1A Oversped & Tripped.Caused by Electronic Governor Inhibited by Logic Breaker Malfunction
type: Subject
label: 05000260/LER-1983-057-03, /03L-0:on 830923,while Performing S.I.4.9.A.4.b, Undervoltage Start of Diesel Generator,Diesel Generator 1A Oversped & Tripped.Caused by Electronic Governor Inhibited by Logic Breaker Malfunction
page: https://kanterella.com/05000260/LER-2D1983-2D057-2D03-2C_/03L-2D0-3Aon_830923-2Cwhile_Performing_S.I.4.9.A.4.b-2C_Undervoltage_Start_of_Diesel_Generator-2CDiesel_Generator_1A_Oversped_-26_Tripped.Caus…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000260/LER-1983-057-03, /03L-0:on 830923,while Performing S.I.4.9.A.4.b, Undervoltage Start of Diesel Generator,Diesel Generator 1A Oversped & Tripped.Caused by Electronic Governor Inhibited by Logic Breaker Malfunction

Trained
type: Subject
label: 05000457/LER-1995-002-06, :on 950215,identified That Suction & Return Sensing Lines to Monitor Not Connected to Monitor.Caused by Procedural Deficiency & Personnel Error.Rev Made to ILRT Procedure & Personnel Counselled/Trained
page: https://kanterella.com/05000457/LER-2D1995-2D002-2D06-2C_-3Aon_950215-2Cidentified_That_Suction_-26_Return_Sensing_Lines_to_Monitor_Not_Connected_to_Monitor.Caused_by_Procedural_Deficiency_-26_Personn…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000457/LER-1995-002-06, :on 950215,identified That Suction & Return Sensing Lines to Monitor Not Connected to Monitor.Caused by Procedural Deficiency & Personnel Error.Rev Made to ILRT Procedure & Personnel Counselled/Trained

ML20077H463
type: Subject
page: https://kanterella.com/ML20077H463
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: ML20077H463

LER-1994-002-01, :on 940301,during Monthly Operability Test of HPCI Thrust Bearing Temp Increased to 437 F & Decreased Below 200 F.Caused by Mfg Error in Thrust Bearing Housing. Failed Bearing & Gear Coupling Replaced
type: Subject
label: 05000366/LER-1994-002-01, :on 940301,during Monthly Operability Test of HPCI Thrust Bearing Temp Increased to 437 F & Decreased Below 200 F.Caused by Mfg Error in Thrust Bearing Housing. Failed Bearing & Gear Coupling Replaced
page: https://kanterella.com/05000366/LER-2D1994-2D002-2D01-2C_-3Aon_940301-2Cduring_Monthly_Operability_Test_of_HPCI_Thrust_Bearing_Temp_Increased_to_437_F_-26_Decreased_Below_200_F.Caused_by_Mfg_Error_in_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000366/LER-1994-002-01, :on 940301,during Monthly Operability Test of HPCI Thrust Bearing Temp Increased to 437 F & Decreased Below 200 F.Caused by Mfg Error in Thrust Bearing Housing. Failed Bearing & Gear Coupling Replaced

LER-1993-011, :on 931115,determined That DG 1B Fuel Storage Tank Level Gauge Out of Tolerence Due to Malfuntion of Subj Gauge.Iae Technician Calibrated Level Gauge to Bring Gauge Back Into Tolerence
type: Subject
label: 05000369/LER-1993-011, :on 931115,determined That DG 1B Fuel Storage Tank Level Gauge Out of Tolerence Due to Malfuntion of Subj Gauge.Iae Technician Calibrated Level Gauge to Bring Gauge Back Into Tolerence
page: https://kanterella.com/05000369/LER-2D1993-2D011-2C_-3Aon_931115-2Cdetermined_That_DG_1B_Fuel_Storage_Tank_Level_Gauge_Out_of_Tolerence_Due_to_Malfuntion_of_Subj_Gauge.Iae_Technician_Calibrated_Level_…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000369/LER-1993-011, :on 931115,determined That DG 1B Fuel Storage Tank Level Gauge Out of Tolerence Due to Malfuntion of Subj Gauge.Iae Technician Calibrated Level Gauge to Bring Gauge Back Into Tolerence

03L-0:on 820410,at 10- Power,Instrument Air Compressor 1C Temporarily Taken Out of Svc to Repair after- Cooler Leak.Water Leak Caused by Normal Wear of after- Cooler.Air Compressor Returned to Svc After Repairs
type: Subject
label: 05000267/LER-1982-012-03, /03L-0:on 820410,at 10% Power,Instrument Air Compressor 1C Temporarily Taken Out of Svc to Repair after- Cooler Leak.Water Leak Caused by Normal Wear of after- Cooler.Air Compressor Returned to Svc After Repairs
page: https://kanterella.com/05000267/LER-2D1982-2D012-2D03-2C_/03L-2D0-3Aon_820410-2Cat_10-_Power-2CInstrument_Air_Compressor_1C_Temporarily_Taken_Out_of_Svc_to_Repair_after-2D_Cooler_Leak.Water_Leak_Cause…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000267/LER-1982-012-03, /03L-0:on 820410,at 10% Power,Instrument Air Compressor 1C Temporarily Taken Out of Svc to Repair after- Cooler Leak.Water Leak Caused by Normal Wear of after- Cooler.Air Compressor Returned to Svc After Repairs

01T-0:on 821014,three of Six Installed Safety Valves Determined to Have Degraded Performance Based on Valve Ring Settings.Cause of Difference in Ring Settings Unknown.Valves Reset Using EPRI Tested Settings
type: Subject
label: 05000269/LER-1982-018-01, /01T-0:on 821014,three of Six Installed Safety Valves Determined to Have Degraded Performance Based on Valve Ring Settings.Cause of Difference in Ring Settings Unknown.Valves Reset Using EPRI Tested Settings
page: https://kanterella.com/05000269/LER-2D1982-2D018-2D01-2C_/01T-2D0-3Aon_821014-2Cthree_of_Six_Installed_Safety_Valves_Determined_to_Have_Degraded_Performance_Based_on_Valve_Ring_Settings.Cause_of_Diffe…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000269/LER-1982-018-01, /01T-0:on 821014,three of Six Installed Safety Valves Determined to Have Degraded Performance Based on Valve Ring Settings.Cause of Difference in Ring Settings Unknown.Valves Reset Using EPRI Tested Settings

03L-0:on 820822,erratic Indication Observed on Channel a Borated Water Storage Tank Level Instrumentation. Caused by Boiling Water in Level Transmitter Line.Heat Tracing Disconnected & Transmitter Lines Refilled
type: Subject
label: 05000270/LER-1982-011-03, /03L-0:on 820822,erratic Indication Observed on Channel a Borated Water Storage Tank Level Instrumentation. Caused by Boiling Water in Level Transmitter Line.Heat Tracing Disconnected & Transmitter Lines Refilled
page: https://kanterella.com/05000270/LER-2D1982-2D011-2D03-2C_/03L-2D0-3Aon_820822-2Cerratic_Indication_Observed_on_Channel_a_Borated_Water_Storage_Tank_Level_Instrumentation._Caused_by_Boiling_Water_in_Le…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000270/LER-1982-011-03, /03L-0:on 820822,erratic Indication Observed on Channel a Borated Water Storage Tank Level Instrumentation. Caused by Boiling Water in Level Transmitter Line.Heat Tracing Disconnected & Transmitter Lines Refilled

03L-0 on 780828:discovered Control Element Assembly Motion Inhibit Not Operable for Position Deviation. Caused by Bad K2 Relay on Relay Card.Relay Replaced & Motion Inhibit Returned to Svc
type: Subject
label: 05000318/LER-1978-030-03, /03L-0 on 780828:discovered Control Element Assembly Motion Inhibit Not Operable for Position Deviation. Caused by Bad K2 Relay on Relay Card.Relay Replaced & Motion Inhibit Returned to Svc
page: https://kanterella.com/05000318/LER-2D1978-2D030-2D03-2C_/03L-2D0_on_780828-3Adiscovered_Control_Element_Assembly_Motion_Inhibit_Not_Operable_for_Position_Deviation._Caused_by_Bad_K2_Relay_on_Relay_Ca…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000318/LER-1978-030-03, /03L-0 on 780828:discovered Control Element Assembly Motion Inhibit Not Operable for Position Deviation. Caused by Bad K2 Relay on Relay Card.Relay Replaced & Motion Inhibit Returned to Svc

LER-1992-004-01, :on 920420,7-day Test to Prove Operability of Boration Flow Paths from Refueling Water Storage & Boric Acid Storage Tanks Not Performed as Scheduled.Caused by Personnel Error.Test Successfully Performed
type: Subject
label: 05000315/LER-1992-004-01, :on 920420,7-day Test to Prove Operability of Boration Flow Paths from Refueling Water Storage & Boric Acid Storage Tanks Not Performed as Scheduled.Caused by Personnel Error.Test Successfully Performed
page: https://kanterella.com/05000315/LER-2D1992-2D004-2D01-2C_-3Aon_920420-2C7-2Dday_Test_to_Prove_Operability_of_Boration_Flow_Paths_from_Refueling_Water_Storage_-26_Boric_Acid_Storage_Tanks_Not_Performed…
wiki namespace: 0
wiki page content language: en
NRC form: NRC Form 346
wiki page sort key: 05000315/LER-1992-004-01, :on 920420,7-day Test to Prove Operability of Boration Flow Paths from Refueling Water Storage & Boric Acid Storage Tanks Not Performed as Scheduled.Caused by Personnel Error.Test Successfully Performed

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