10 CFR 50.73-28c-29-282-29
type: Ontology
creation date: 2025-12-05T05:54:31-05:00
imports: http://semantic-mediawiki.org/swivt/1.0

10 CFR 50.73(c)(2)
type: Subject
page: https://kanterella.com/10_CFR_50.73-28c-29-282-29
wiki namespace: 0
wiki page content language: en
wiki page sort key: 10 CFR 50.73(c)(2)

Converter Replaced
type: Subject
label: 05000271/LER-1989-019, :on 890501,primary Containment Isolation Sys Group III & Standby Gas Treatment Sys Initiations Occurred. Caused by Reactor Bldg Ventilation Radiation Monitor Sensor Malfunction.Sensor/Converter Replaced
page: https://kanterella.com/05000271/LER-2D1989-2D019-2C_-3Aon_890501-2Cprimary_Containment_Isolation_Sys_Group_III_-26_Standby_Gas_Treatment_Sys_Initiations_Occurred._Caused_by_Reactor_Bldg_Ventilation_Ra…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000271/LER-1989-019, :on 890501,primary Containment Isolation Sys Group III & Standby Gas Treatment Sys Initiations Occurred. Caused by Reactor Bldg Ventilation Radiation Monitor Sensor Malfunction.Sensor/Converter Replaced

LER-1989-013, :on 890811,12 Cable Trays in Auxiliary Electric Room Found Filled Above Design Limits.Caused by Error in Cable Tray Loading Computer Program Omitting Cables from Calculations.Program Corrected
type: Subject
label: 05000267/LER-1989-013, :on 890811,12 Cable Trays in Auxiliary Electric Room Found Filled Above Design Limits.Caused by Error in Cable Tray Loading Computer Program Omitting Cables from Calculations.Program Corrected
page: https://kanterella.com/05000267/LER-2D1989-2D013-2C_-3Aon_890811-2C12_Cable_Trays_in_Auxiliary_Electric_Room_Found_Filled_Above_Design_Limits.Caused_by_Error_in_Cable_Tray_Loading_Computer_Program_Omi…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000267/LER-1989-013, :on 890811,12 Cable Trays in Auxiliary Electric Room Found Filled Above Design Limits.Caused by Error in Cable Tray Loading Computer Program Omitting Cables from Calculations.Program Corrected

LER-1988-008-07, :on 880921,radiation Monitor Detected Alert Radiation Condition During Movement of Reactor Vessel Upper Internals Assembly.Caused by Raising Reactor Vessel Upper Internals Assembly.Procedure Will Be Revised
type: Subject
label: 05000454/LER-1988-008-07, :on 880921,radiation Monitor Detected Alert Radiation Condition During Movement of Reactor Vessel Upper Internals Assembly.Caused by Raising Reactor Vessel Upper Internals Assembly.Procedure Will Be Revised
page: https://kanterella.com/05000454/LER-2D1988-2D008-2D07-2C_-3Aon_880921-2Cradiation_Monitor_Detected_Alert_Radiation_Condition_During_Movement_of_Reactor_Vessel_Upper_Internals_Assembly.Caused_by_Raisin…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000454/LER-1988-008-07, :on 880921,radiation Monitor Detected Alert Radiation Condition During Movement of Reactor Vessel Upper Internals Assembly.Caused by Raising Reactor Vessel Upper Internals Assembly.Procedure Will Be Revised

LER-1992-001-02, :on 920415,stroke Time Testing Not Performed on Containment Isolation Valve to Demonstrate Operability,Per TS 4.6.3.1.Caused by Cognitive Personnel Error.Personnel Responsible for Error Counseled
type: Subject
label: 05000424/LER-1992-001-02, :on 920415,stroke Time Testing Not Performed on Containment Isolation Valve to Demonstrate Operability,Per TS 4.6.3.1.Caused by Cognitive Personnel Error.Personnel Responsible for Error Counseled
page: https://kanterella.com/05000424/LER-2D1992-2D001-2D02-2C_-3Aon_920415-2Cstroke_Time_Testing_Not_Performed_on_Containment_Isolation_Valve_to_Demonstrate_Operability-2CPer_TS_4.6.3.1.Caused_by_Cognitive…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000424/LER-1992-001-02, :on 920415,stroke Time Testing Not Performed on Containment Isolation Valve to Demonstrate Operability,Per TS 4.6.3.1.Caused by Cognitive Personnel Error.Personnel Responsible for Error Counseled

LER-1991-022, :on 911009,setpoint Drift Discovered in 11 Main Steam Sys Safety Relief Valves.Caused by Corrosion Induced Bonding of Pilot Valve Disc & Seat.Valves Refurbished to Correct Lift Pressures
type: Subject
label: 05000321/LER-1991-022, :on 911009,setpoint Drift Discovered in 11 Main Steam Sys Safety Relief Valves.Caused by Corrosion Induced Bonding of Pilot Valve Disc & Seat.Valves Refurbished to Correct Lift Pressures
page: https://kanterella.com/05000321/LER-2D1991-2D022-2C_-3Aon_911009-2Csetpoint_Drift_Discovered_in_11_Main_Steam_Sys_Safety_Relief_Valves.Caused_by_Corrosion_Induced_Bonding_of_Pilot_Valve_Disc_-26_Seat.…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000321/LER-1991-022, :on 911009,setpoint Drift Discovered in 11 Main Steam Sys Safety Relief Valves.Caused by Corrosion Induced Bonding of Pilot Valve Disc & Seat.Valves Refurbished to Correct Lift Pressures

LER-1994-016-01, :on 940721,informed by Cooper Energy Svcs (CES) That CES Could Not Locate Documentation to Prove That Lube Oil Flow to Cooper Model ET-18 Turbocharger Would Be Adequate Under Loss of Control Air
type: Subject
label: 05000382/LER-1994-016-01, :on 940721,informed by Cooper Energy Svcs (CES) That CES Could Not Locate Documentation to Prove That Lube Oil Flow to Cooper Model ET-18 Turbocharger Would Be Adequate Under Loss of Control Air
page: https://kanterella.com/05000382/LER-2D1994-2D016-2D01-2C_-3Aon_940721-2Cinformed_by_Cooper_Energy_Svcs_-28CES-29_That_CES_Could_Not_Locate_Documentation_to_Prove_That_Lube_Oil_Flow_to_Cooper_Model_ET-…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000382/LER-1994-016-01, :on 940721,informed by Cooper Energy Svcs (CES) That CES Could Not Locate Documentation to Prove That Lube Oil Flow to Cooper Model ET-18 Turbocharger Would Be Adequate Under Loss of Control Air

Ts 3.3.2 Action Requirements Noted.Caused by Acceptance of Inappropriate TS Reuqirements Re Emergency Bus UV Protection.Technical Clarification TS-059 Has Been Revised
type: Subject
label: 05000443/LER-1994-016, :on 941019,noncompliance W/Ts 3.3.2 Action Requirements Noted.Caused by Acceptance of Inappropriate TS Reuqirements Re Emergency Bus UV Protection.Technical Clarification TS-059 Has Been Revised
page: https://kanterella.com/05000443/LER-2D1994-2D016-2C_-3Aon_941019-2Cnoncompliance_W/Ts_3.3.2_Action_Requirements_Noted.Caused_by_Acceptance_of_Inappropriate_TS_Reuqirements_Re_Emergency_Bus_UV_Protecti…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000443/LER-1994-016, :on 941019,noncompliance W/Ts 3.3.2 Action Requirements Noted.Caused by Acceptance of Inappropriate TS Reuqirements Re Emergency Bus UV Protection.Technical Clarification TS-059 Has Been Revised

LER-1990-007-02, :on 900421,reactor Protection Sys Bus a Transfer & Reactor Recirculation Hydraulic Power Unit a Inboard Isolation Valves Closed,Causing Partial Group II isolation.Out-of-svc Procedure Revised
type: Subject
label: 05000374/LER-1990-007-02, :on 900421,reactor Protection Sys Bus a Transfer & Reactor Recirculation Hydraulic Power Unit a Inboard Isolation Valves Closed,Causing Partial Group II isolation.Out-of-svc Procedure Revised
page: https://kanterella.com/05000374/LER-2D1990-2D007-2D02-2C_-3Aon_900421-2Creactor_Protection_Sys_Bus_a_Transfer_-26_Reactor_Recirculation_Hydraulic_Power_Unit_a_Inboard_Isolation_Valves_Closed-2CCausing…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000374/LER-1990-007-02, :on 900421,reactor Protection Sys Bus a Transfer & Reactor Recirculation Hydraulic Power Unit a Inboard Isolation Valves Closed,Causing Partial Group II isolation.Out-of-svc Procedure Revised

LER-1989-004-04, :on 890906,unplanned Start of Diesel Generator 3D Occurred During post-maint Work Instructions.Caused by Personnel Error Re Inappropriate Prerequisites.Generator Stopped Immediately & Work Suspended
type: Subject
label: 05000296/LER-1989-004-04, :on 890906,unplanned Start of Diesel Generator 3D Occurred During post-maint Work Instructions.Caused by Personnel Error Re Inappropriate Prerequisites.Generator Stopped Immediately & Work Suspended
page: https://kanterella.com/05000296/LER-2D1989-2D004-2D04-2C_-3Aon_890906-2Cunplanned_Start_of_Diesel_Generator_3D_Occurred_During_post-2Dmaint_Work_Instructions.Caused_by_Personnel_Error_Re_Inappropriate…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000296/LER-1989-004-04, :on 890906,unplanned Start of Diesel Generator 3D Occurred During post-maint Work Instructions.Caused by Personnel Error Re Inappropriate Prerequisites.Generator Stopped Immediately & Work Suspended

LER-1989-003, :on 890307,unplanned ESF Actuations Occurred. Caused by Voltage Transient Due to Start of Control Bay Chiller 3B Because of Design of Circuit Protectors Being Sensitive to Minor Electrical Disturbances
type: Subject
label: 05000296/LER-1989-003, :on 890307,unplanned ESF Actuations Occurred. Caused by Voltage Transient Due to Start of Control Bay Chiller 3B Because of Design of Circuit Protectors Being Sensitive to Minor Electrical Disturbances
page: https://kanterella.com/05000296/LER-2D1989-2D003-2C_-3Aon_890307-2Cunplanned_ESF_Actuations_Occurred._Caused_by_Voltage_Transient_Due_to_Start_of_Control_Bay_Chiller_3B_Because_of_Design_of_Circuit_Pr…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000296/LER-1989-003, :on 890307,unplanned ESF Actuations Occurred. Caused by Voltage Transient Due to Start of Control Bay Chiller 3B Because of Design of Circuit Protectors Being Sensitive to Minor Electrical Disturbances

O Adjustments
type: Subject
label: 05000400/LER-1989-023-01, :on 891223,significant Difference Between Actual & Indicated Reactor Power Level for power-range Nuclear Instruments Noted.Caused by Installation of Low Leakage Core Loading Pattern W/O Adjustments
page: https://kanterella.com/05000400/LER-2D1989-2D023-2D01-2C_-3Aon_891223-2Csignificant_Difference_Between_Actual_-26_Indicated_Reactor_Power_Level_for_power-2Drange_Nuclear_Instruments_Noted.Caused_by_In…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1989-023-01, :on 891223,significant Difference Between Actual & Indicated Reactor Power Level for power-range Nuclear Instruments Noted.Caused by Installation of Low Leakage Core Loading Pattern W/O Adjustments

LER-1989-009-01, :on 890501,discovered That Monitoring for Radioactivity in Turbine Bldg Floor Drain Effluent Not Performed from 890429-30.Caused by Isolation of Sample Collection Path for Calibr of Detector
type: Subject
label: 05000400/LER-1989-009-01, :on 890501,discovered That Monitoring for Radioactivity in Turbine Bldg Floor Drain Effluent Not Performed from 890429-30.Caused by Isolation of Sample Collection Path for Calibr of Detector
page: https://kanterella.com/05000400/LER-2D1989-2D009-2D01-2C_-3Aon_890501-2Cdiscovered_That_Monitoring_for_Radioactivity_in_Turbine_Bldg_Floor_Drain_Effluent_Not_Performed_from_890429-2D30.Caused_by_Isola…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1989-009-01, :on 890501,discovered That Monitoring for Radioactivity in Turbine Bldg Floor Drain Effluent Not Performed from 890429-30.Caused by Isolation of Sample Collection Path for Calibr of Detector

Feedwater Flow Mismatch Occurred During Calibr Test Procedure.Caused by Performance of Section of Procedure Intended to Be Conducted.Procedure Revised
type: Subject
label: 05000400/LER-1989-005-01, :on 890222,reactor Trip on Low Steam Generator Level W/Steam/Feedwater Flow Mismatch Occurred During Calibr Test Procedure.Caused by Performance of Section of Procedure Intended to Be Conducted.Procedure Revised
page: https://kanterella.com/05000400/LER-2D1989-2D005-2D01-2C_-3Aon_890222-2Creactor_Trip_on_Low_Steam_Generator_Level_W/Steam/Feedwater_Flow_Mismatch_Occurred_During_Calibr_Test_Procedure.Caused_by_Perfor…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1989-005-01, :on 890222,reactor Trip on Low Steam Generator Level W/Steam/Feedwater Flow Mismatch Occurred During Calibr Test Procedure.Caused by Performance of Section of Procedure Intended to Be Conducted.Procedure Revised

LER-1988-023, :on 880812,reactor Coolant Sys Vent Less than Required by Tech Spec 3.4.9.4 for Low Temp Overpressure Protection.Caused by Failed Valve Gagging Device.Longer Gagging Device Installed
type: Subject
label: 05000400/LER-1988-023, :on 880812,reactor Coolant Sys Vent Less than Required by Tech Spec 3.4.9.4 for Low Temp Overpressure Protection.Caused by Failed Valve Gagging Device.Longer Gagging Device Installed
page: https://kanterella.com/05000400/LER-2D1988-2D023-2C_-3Aon_880812-2Creactor_Coolant_Sys_Vent_Less_than_Required_by_Tech_Spec_3.4.9.4_for_Low_Temp_Overpressure_Protection.Caused_by_Failed_Valve_Gagging_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1988-023, :on 880812,reactor Coolant Sys Vent Less than Required by Tech Spec 3.4.9.4 for Low Temp Overpressure Protection.Caused by Failed Valve Gagging Device.Longer Gagging Device Installed

LER-1987-059, :on 871011,incoming Line Breaker Tripped Initiating Safety Bus Blackout.Caused by Hammering & Drilling of in Relay Cabinet by Employee.Switchyard Breaker Reclosed & off-site Power Restored to Bus
type: Subject
label: 05000400/LER-1987-059, :on 871011,incoming Line Breaker Tripped Initiating Safety Bus Blackout.Caused by Hammering & Drilling of in Relay Cabinet by Employee.Switchyard Breaker Reclosed & off-site Power Restored to Bus
page: https://kanterella.com/05000400/LER-2D1987-2D059-2C_-3Aon_871011-2Cincoming_Line_Breaker_Tripped_Initiating_Safety_Bus_Blackout.Caused_by_Hammering_-26_Drilling_of_in_Relay_Cabinet_by_Employee.Switchy…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1987-059, :on 871011,incoming Line Breaker Tripped Initiating Safety Bus Blackout.Caused by Hammering & Drilling of in Relay Cabinet by Employee.Switchyard Breaker Reclosed & off-site Power Restored to Bus

LER-1987-027, :on 870426,during Test,Redundant Transmitter Pressurizer Pressure Channels Declared Inoperable.Caused by Two Out of Three Channels Out of Calibr & Reading Low. Channels Recalibr & Test Completed
type: Subject
label: 05000400/LER-1987-027, :on 870426,during Test,Redundant Transmitter Pressurizer Pressure Channels Declared Inoperable.Caused by Two Out of Three Channels Out of Calibr & Reading Low. Channels Recalibr & Test Completed
page: https://kanterella.com/05000400/LER-2D1987-2D027-2C_-3Aon_870426-2Cduring_Test-2CRedundant_Transmitter_Pressurizer_Pressure_Channels_Declared_Inoperable.Caused_by_Two_Out_of_Three_Channels_Out_of_Cali…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1987-027, :on 870426,during Test,Redundant Transmitter Pressurizer Pressure Channels Declared Inoperable.Caused by Two Out of Three Channels Out of Calibr & Reading Low. Channels Recalibr & Test Completed

LER-1987-026, :on 870423 & 24,main Feedwater Pump Tripped & Actuated motor-driven Auxiliary Feedwater Pumps.Caused by Trip of Condensate Booster Pump.Main Feedwater Restored & Pumps Secured.Control Logic Under Evaluation
type: Subject
label: 05000400/LER-1987-026, :on 870423 & 24,main Feedwater Pump Tripped & Actuated motor-driven Auxiliary Feedwater Pumps.Caused by Trip of Condensate Booster Pump.Main Feedwater Restored & Pumps Secured.Control Logic Under Evaluation
page: https://kanterella.com/05000400/LER-2D1987-2D026-2C_-3Aon_870423_-26_24-2Cmain_Feedwater_Pump_Tripped_-26_Actuated_motor-2Ddriven_Auxiliary_Feedwater_Pumps.Caused_by_Trip_of_Condensate_Booster_Pump.Ma…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000400/LER-1987-026, :on 870423 & 24,main Feedwater Pump Tripped & Actuated motor-driven Auxiliary Feedwater Pumps.Caused by Trip of Condensate Booster Pump.Main Feedwater Restored & Pumps Secured.Control Logic Under Evaluation

Unblock Switch for Both Trains of SI Outside Design Basis. Caused by Inadequate Original Plant Design.Info Re Potential Single Failure Mode Provided to Personnel
type: Subject
label: 05000250/LER-1989-018, :on 891212,use of Single Manual SI Block/ Unblock Switch for Both Trains of SI Outside Design Basis. Caused by Inadequate Original Plant Design.Info Re Potential Single Failure Mode Provided to Personnel
page: https://kanterella.com/05000250/LER-2D1989-2D018-2C_-3Aon_891212-2Cuse_of_Single_Manual_SI_Block/_Unblock_Switch_for_Both_Trains_of_SI_Outside_Design_Basis._Caused_by_Inadequate_Original_Plant_Design.…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000250/LER-1989-018, :on 891212,use of Single Manual SI Block/ Unblock Switch for Both Trains of SI Outside Design Basis. Caused by Inadequate Original Plant Design.Info Re Potential Single Failure Mode Provided to Personnel

05000250/LER-1989-011, :on 890617,two Safeguards Actuations Occurred. Caused by Damaged Switch Contact Blocks & Personnel Error. Switch Contact Blocks Replaced & Personnel Counseled
type: Subject
page: https://kanterella.com/05000250/LER-2D1989-2D011-2C_-3Aon_890617-2Ctwo_Safeguards_Actuations_Occurred._Caused_by_Damaged_Switch_Contact_Blocks_-26_Personnel_Error._Switch_Contact_Blocks_Replaced_-26_P…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000250/LER-1989-011, :on 890617,two Safeguards Actuations Occurred. Caused by Damaged Switch Contact Blocks & Personnel Error. Switch Contact Blocks Replaced & Personnel Counseled

LER-1989-002, :on 890116,normal Plant Cooldown Initiated Due to Small Boundary Leak of Rcs.Caused by Transgranular Stress Corrosion Cracking in Mapping Sys Thimble Guide Tube J-12 & J-7.Guide Tubes Involved Repaired or Replaced
type: Subject
label: 05000250/LER-1989-002, :on 890116,normal Plant Cooldown Initiated Due to Small Boundary Leak of Rcs.Caused by Transgranular Stress Corrosion Cracking in Mapping Sys Thimble Guide Tube J-12 & J-7.Guide Tubes Involved Repaired or Replaced
page: https://kanterella.com/05000250/LER-2D1989-2D002-2C_-3Aon_890116-2Cnormal_Plant_Cooldown_Initiated_Due_to_Small_Boundary_Leak_of_Rcs.Caused_by_Transgranular_Stress_Corrosion_Cracking_in_Mapping_Sys_Th…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000250/LER-1989-002, :on 890116,normal Plant Cooldown Initiated Due to Small Boundary Leak of Rcs.Caused by Transgranular Stress Corrosion Cracking in Mapping Sys Thimble Guide Tube J-12 & J-7.Guide Tubes Involved Repaired or Replaced

LER-1987-025-02, :on 871012,containment & Control Room Ventilation Isolation Occurred.Cause by High Levels of Rb-88 in Containment Following Unit Shutdown.Particle Grab Sample Taken & Leak Rate Calculation Performed
type: Subject
label: 05000251/LER-1987-025-02, :on 871012,containment & Control Room Ventilation Isolation Occurred.Cause by High Levels of Rb-88 in Containment Following Unit Shutdown.Particle Grab Sample Taken & Leak Rate Calculation Performed
page: https://kanterella.com/05000251/LER-2D1987-2D025-2D02-2C_-3Aon_871012-2Ccontainment_-26_Control_Room_Ventilation_Isolation_Occurred.Cause_by_High_Levels_of_Rb-2D88_in_Containment_Following_Unit_Shutdo…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000251/LER-1987-025-02, :on 871012,containment & Control Room Ventilation Isolation Occurred.Cause by High Levels of Rb-88 in Containment Following Unit Shutdown.Particle Grab Sample Taken & Leak Rate Calculation Performed

LER-1988-003-01, :on 880207,shutdown of Unit from 100- Power Commenced Due to Exceeding Requirements of Tech Spec for Having Battery Charger 4S Out of Svc.Caused by Failure of Snubber Capacitor.Capacitor Replaced
type: Subject
label: 05000251/LER-1988-003-01, :on 880207,shutdown of Unit from 100% Power Commenced Due to Exceeding Requirements of Tech Spec for Having Battery Charger 4S Out of Svc.Caused by Failure of Snubber Capacitor.Capacitor Replaced
page: https://kanterella.com/05000251/LER-2D1988-2D003-2D01-2C_-3Aon_880207-2Cshutdown_of_Unit_from_100-_Power_Commenced_Due_to_Exceeding_Requirements_of_Tech_Spec_for_Having_Battery_Charger_4S_Out_of_Svc.C…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000251/LER-1988-003-01, :on 880207,shutdown of Unit from 100% Power Commenced Due to Exceeding Requirements of Tech Spec for Having Battery Charger 4S Out of Svc.Caused by Failure of Snubber Capacitor.Capacitor Replaced

LER-1987-021-01, :on 870729,process Radiation Monitor Spiked High Actuating Containment Vent & Control Room Ventilation Isolation Logic.Caused by Work Being Performed on Condenser Air Ejector Radiation Monitor.Drawer Reset
type: Subject
label: 05000251/LER-1987-021-01, :on 870729,process Radiation Monitor Spiked High Actuating Containment Vent & Control Room Ventilation Isolation Logic.Caused by Work Being Performed on Condenser Air Ejector Radiation Monitor.Drawer Reset
page: https://kanterella.com/05000251/LER-2D1987-2D021-2D01-2C_-3Aon_870729-2Cprocess_Radiation_Monitor_Spiked_High_Actuating_Containment_Vent_-26_Control_Room_Ventilation_Isolation_Logic.Caused_by_Work_Bei…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000251/LER-1987-021-01, :on 870729,process Radiation Monitor Spiked High Actuating Containment Vent & Control Room Ventilation Isolation Logic.Caused by Work Being Performed on Condenser Air Ejector Radiation Monitor.Drawer Reset

LER-1987-012-02, :on 870705,during Unit 3 Engineered Safeguards Integration Test,Auto Start of Component Cooling Water Pump 4B Occurred.Caused by Low Header Pressure on Increased Cooling Water Flow.Procedure Will Be Enhanced
type: Subject
label: 05000251/LER-1987-012-02, :on 870705,during Unit 3 Engineered Safeguards Integration Test,Auto Start of Component Cooling Water Pump 4B Occurred.Caused by Low Header Pressure on Increased Cooling Water Flow.Procedure Will Be Enhanced
page: https://kanterella.com/05000251/LER-2D1987-2D012-2D02-2C_-3Aon_870705-2Cduring_Unit_3_Engineered_Safeguards_Integration_Test-2CAuto_Start_of_Component_Cooling_Water_Pump_4B_Occurred.Caused_by_Low_Head…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000251/LER-1987-012-02, :on 870705,during Unit 3 Engineered Safeguards Integration Test,Auto Start of Component Cooling Water Pump 4B Occurred.Caused by Low Header Pressure on Increased Cooling Water Flow.Procedure Will Be Enhanced

LER-1987-023, :on 870913,safety Injection Sys Actuation & Subsequent Reactor Trip Occurred.Caused by Component Failure & Personnel Error.Event Response Team Formed to Investigate Causes & Initiate Corrective Action
type: Subject
label: 05000250/LER-1987-023, :on 870913,safety Injection Sys Actuation & Subsequent Reactor Trip Occurred.Caused by Component Failure & Personnel Error.Event Response Team Formed to Investigate Causes & Initiate Corrective Action
page: https://kanterella.com/05000250/LER-2D1987-2D023-2C_-3Aon_870913-2Csafety_Injection_Sys_Actuation_-26_Subsequent_Reactor_Trip_Occurred.Caused_by_Component_Failure_-26_Personnel_Error.Event_Response_Te…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000250/LER-1987-023, :on 870913,safety Injection Sys Actuation & Subsequent Reactor Trip Occurred.Caused by Component Failure & Personnel Error.Event Response Team Formed to Investigate Causes & Initiate Corrective Action

LER-1993-002, :on 930219,determined That Condenser Air Ejector TS Sample Had Not Been Taken.Caused by Personnel Error.Appropriate Administrative Action Taken in Regards to Individuals Lack of Attention to Detail
type: Subject
label: 05000316/LER-1993-002, :on 930219,determined That Condenser Air Ejector TS Sample Had Not Been Taken.Caused by Personnel Error.Appropriate Administrative Action Taken in Regards to Individuals Lack of Attention to Detail
page: https://kanterella.com/05000316/LER-2D1993-2D002-2C_-3Aon_930219-2Cdetermined_That_Condenser_Air_Ejector_TS_Sample_Had_Not_Been_Taken.Caused_by_Personnel_Error.Appropriate_Administrative_Action_Taken_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1993-002, :on 930219,determined That Condenser Air Ejector TS Sample Had Not Been Taken.Caused by Personnel Error.Appropriate Administrative Action Taken in Regards to Individuals Lack of Attention to Detail

LER-1991-004-01, :on 910512,while Performing Main Generator Max Reactive Capability Test,Rps (Reactor Trip Sequence) Occurred.Caused by Undervoltage Condition Sensed on RCP Busses.Defective Component Replaced
type: Subject
label: 05000315/LER-1991-004-01, :on 910512,while Performing Main Generator Max Reactive Capability Test,Rps (Reactor Trip Sequence) Occurred.Caused by Undervoltage Condition Sensed on RCP Busses.Defective Component Replaced
page: https://kanterella.com/05000315/LER-2D1991-2D004-2D01-2C_-3Aon_910512-2Cwhile_Performing_Main_Generator_Max_Reactive_Capability_Test-2CRps_-28Reactor_Trip_Sequence-29_Occurred.Caused_by_Undervoltage_C…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000315/LER-1991-004-01, :on 910512,while Performing Main Generator Max Reactive Capability Test,Rps (Reactor Trip Sequence) Occurred.Caused by Undervoltage Condition Sensed on RCP Busses.Defective Component Replaced

LER-1989-018, :on 891108,discovered That P-250 Computer Contained Incorrect Blowdown Constants for Thermal Output Program Entered on 891025.Caused by Lack of Administrative Controls.Zero Value for Blowdown Reentered
type: Subject
label: 05000316/LER-1989-018, :on 891108,discovered That P-250 Computer Contained Incorrect Blowdown Constants for Thermal Output Program Entered on 891025.Caused by Lack of Administrative Controls.Zero Value for Blowdown Reentered
page: https://kanterella.com/05000316/LER-2D1989-2D018-2C_-3Aon_891108-2Cdiscovered_That_P-2D250_Computer_Contained_Incorrect_Blowdown_Constants_for_Thermal_Output_Program_Entered_on_891025.Caused_by_Lack_o…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1989-018, :on 891108,discovered That P-250 Computer Contained Incorrect Blowdown Constants for Thermal Output Program Entered on 891025.Caused by Lack of Administrative Controls.Zero Value for Blowdown Reentered

LER-1989-009, :on 890331,discrepancy Noted in Westinghouse P-250 Computer Calculated Thermal Power Value Which Could Lead to Exceeding Rated Thermal Power.Caused by Not Including blowdown-mass Enthalpy Term
type: Subject
label: 05000316/LER-1989-009, :on 890331,discrepancy Noted in Westinghouse P-250 Computer Calculated Thermal Power Value Which Could Lead to Exceeding Rated Thermal Power.Caused by Not Including blowdown-mass Enthalpy Term
page: https://kanterella.com/05000316/LER-2D1989-2D009-2C_-3Aon_890331-2Cdiscrepancy_Noted_in_Westinghouse_P-2D250_Computer_Calculated_Thermal_Power_Value_Which_Could_Lead_to_Exceeding_Rated_Thermal_Power.C…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1989-009, :on 890331,discrepancy Noted in Westinghouse P-250 Computer Calculated Thermal Power Value Which Could Lead to Exceeding Rated Thermal Power.Caused by Not Including blowdown-mass Enthalpy Term

LER-1988-009-01, :on 880927,lower Limit of Detection for Gross Radioactivity Not Met for Compensatory Samples.Caused by Misinterpretation of Tech Spec Required Value.Gamma Spectroscopy Analysis Will Be Performed
type: Subject
label: 05000315/LER-1988-009-01, :on 880927,lower Limit of Detection for Gross Radioactivity Not Met for Compensatory Samples.Caused by Misinterpretation of Tech Spec Required Value.Gamma Spectroscopy Analysis Will Be Performed
page: https://kanterella.com/05000315/LER-2D1988-2D009-2D01-2C_-3Aon_880927-2Clower_Limit_of_Detection_for_Gross_Radioactivity_Not_Met_for_Compensatory_Samples.Caused_by_Misinterpretation_of_Tech_Spec_Requi…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000315/LER-1988-009-01, :on 880927,lower Limit of Detection for Gross Radioactivity Not Met for Compensatory Samples.Caused by Misinterpretation of Tech Spec Required Value.Gamma Spectroscopy Analysis Will Be Performed

LER-1987-014-01, :on 871215,programming Error Causing Alarm to Be Inoperable,Discovered.Caused by Personnel Error.Computer Operators Counseled in Proper Method of Computer Software Troubleshooting & Program Installation
type: Subject
label: 05000316/LER-1987-014-01, :on 871215,programming Error Causing Alarm to Be Inoperable,Discovered.Caused by Personnel Error.Computer Operators Counseled in Proper Method of Computer Software Troubleshooting & Program Installation
page: https://kanterella.com/05000316/LER-2D1987-2D014-2D01-2C_-3Aon_871215-2Cprogramming_Error_Causing_Alarm_to_Be_Inoperable-2CDiscovered.Caused_by_Personnel_Error.Computer_Operators_Counseled_in_Proper_M…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1987-014-01, :on 871215,programming Error Causing Alarm to Be Inoperable,Discovered.Caused by Personnel Error.Computer Operators Counseled in Proper Method of Computer Software Troubleshooting & Program Installation

LER-1988-004-01, :on 880606,as Found Value of Neutron Flux High Rate Module Time Constant Incorrectly Adjusted.Caused by Improperly Aligned Test Recorder Input Filter.Power Range Channel Recalibr to Correct Values
type: Subject
label: 05000315/LER-1988-004-01, :on 880606,as Found Value of Neutron Flux High Rate Module Time Constant Incorrectly Adjusted.Caused by Improperly Aligned Test Recorder Input Filter.Power Range Channel Recalibr to Correct Values
page: https://kanterella.com/05000315/LER-2D1988-2D004-2D01-2C_-3Aon_880606-2Cas_Found_Value_of_Neutron_Flux_High_Rate_Module_Time_Constant_Incorrectly_Adjusted.Caused_by_Improperly_Aligned_Test_Recorder_In…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000315/LER-1988-004-01, :on 880606,as Found Value of Neutron Flux High Rate Module Time Constant Incorrectly Adjusted.Caused by Improperly Aligned Test Recorder Input Filter.Power Range Channel Recalibr to Correct Values

LER-1988-002, :on 880205,identified That Surveillance Procedure Containing Channel Checks for Power Range Nuclear Instrumentation Did Not Require Channel Checks Below Mode 2. Caused by Personnel Error.Procedures Revised
type: Subject
label: 05000316/LER-1988-002, :on 880205,identified That Surveillance Procedure Containing Channel Checks for Power Range Nuclear Instrumentation Did Not Require Channel Checks Below Mode 2. Caused by Personnel Error.Procedures Revised
page: https://kanterella.com/05000316/LER-2D1988-2D002-2C_-3Aon_880205-2Cidentified_That_Surveillance_Procedure_Containing_Channel_Checks_for_Power_Range_Nuclear_Instrumentation_Did_Not_Require_Channel_Chec…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1988-002, :on 880205,identified That Surveillance Procedure Containing Channel Checks for Power Range Nuclear Instrumentation Did Not Require Channel Checks Below Mode 2. Caused by Personnel Error.Procedures Revised

LER-1987-008, :on 870604,ESF Actuation Occurred Due to Extreme High Level in Steam Generator 12.Caused by Mispositioning of Both Level Controller & Feedwater Flow Selector Switch.Level Controller Refurbished
type: Subject
label: 05000315/LER-1987-008, :on 870604,ESF Actuation Occurred Due to Extreme High Level in Steam Generator 12.Caused by Mispositioning of Both Level Controller & Feedwater Flow Selector Switch.Level Controller Refurbished
page: https://kanterella.com/05000315/LER-2D1987-2D008-2C_-3Aon_870604-2CESF_Actuation_Occurred_Due_to_Extreme_High_Level_in_Steam_Generator_12.Caused_by_Mispositioning_of_Both_Level_Controller_-26_Feedwate…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000315/LER-1987-008, :on 870604,ESF Actuation Occurred Due to Extreme High Level in Steam Generator 12.Caused by Mispositioning of Both Level Controller & Feedwater Flow Selector Switch.Level Controller Refurbished

LER-1987-011-01, :on 871002,Train a Safety Injection Signal Occurred.Caused by Personnel Error.Safety Injection Signal Reset,Plant Returned to pre-event Status & Personnel Reminded to Reevaluate When Work Exceeds Scope
type: Subject
label: 05000316/LER-1987-011-01, :on 871002,Train a Safety Injection Signal Occurred.Caused by Personnel Error.Safety Injection Signal Reset,Plant Returned to pre-event Status & Personnel Reminded to Reevaluate When Work Exceeds Scope
page: https://kanterella.com/05000316/LER-2D1987-2D011-2D01-2C_-3Aon_871002-2CTrain_a_Safety_Injection_Signal_Occurred.Caused_by_Personnel_Error.Safety_Injection_Signal_Reset-2CPlant_Returned_to_pre-2Devent…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000316/LER-1987-011-01, :on 871002,Train a Safety Injection Signal Occurred.Caused by Personnel Error.Safety Injection Signal Reset,Plant Returned to pre-event Status & Personnel Reminded to Reevaluate When Work Exceeds Scope

LER-1991-007, :on 910822,determined That Normal HVAC Sys Cooling to Various ESF Pump Rooms Not Adequate.Caused by Not Recognizing That Normal HVAC Sys Was Not 100 Percent Redundant to Some Components.Guidance Issued
type: Subject
label: 05000528/LER-1991-007, :on 910822,determined That Normal HVAC Sys Cooling to Various ESF Pump Rooms Not Adequate.Caused by Not Recognizing That Normal HVAC Sys Was Not 100 Percent Redundant to Some Components.Guidance Issued
page: https://kanterella.com/05000528/LER-2D1991-2D007-2C_-3Aon_910822-2Cdetermined_That_Normal_HVAC_Sys_Cooling_to_Various_ESF_Pump_Rooms_Not_Adequate.Caused_by_Not_Recognizing_That_Normal_HVAC_Sys_Was_Not…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1991-007, :on 910822,determined That Normal HVAC Sys Cooling to Various ESF Pump Rooms Not Adequate.Caused by Not Recognizing That Normal HVAC Sys Was Not 100 Percent Redundant to Some Components.Guidance Issued

LER-1989-008-02, :on 890714,internal Audit Revealed Cooling Tower Sludge Contained Low Level Amounts of Radioactivity. Caused by Lack of Sludge Sampling Before Landfill Disposal. Approval to Dispose of Sludge Requested
type: Subject
label: 05000528/LER-1989-008-02, :on 890714,internal Audit Revealed Cooling Tower Sludge Contained Low Level Amounts of Radioactivity. Caused by Lack of Sludge Sampling Before Landfill Disposal. Approval to Dispose of Sludge Requested
page: https://kanterella.com/05000528/LER-2D1989-2D008-2D02-2C_-3Aon_890714-2Cinternal_Audit_Revealed_Cooling_Tower_Sludge_Contained_Low_Level_Amounts_of_Radioactivity._Caused_by_Lack_of_Sludge_Sampling_Bef…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1989-008-02, :on 890714,internal Audit Revealed Cooling Tower Sludge Contained Low Level Amounts of Radioactivity. Caused by Lack of Sludge Sampling Before Landfill Disposal. Approval to Dispose of Sludge Requested

LER-1988-006, :on 880321,determined That Allowable Surveillance Test Interval Had Been Exceeded for Incore Detector Sys.Caused by Personnel Error & Inadequate Programmatic Controls.Personnel Counseled
type: Subject
label: 05000528/LER-1988-006, :on 880321,determined That Allowable Surveillance Test Interval Had Been Exceeded for Incore Detector Sys.Caused by Personnel Error & Inadequate Programmatic Controls.Personnel Counseled
page: https://kanterella.com/05000528/LER-2D1988-2D006-2C_-3Aon_880321-2Cdetermined_That_Allowable_Surveillance_Test_Interval_Had_Been_Exceeded_for_Incore_Detector_Sys.Caused_by_Personnel_Error_-26_Inadequa…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1988-006, :on 880321,determined That Allowable Surveillance Test Interval Had Been Exceeded for Incore Detector Sys.Caused by Personnel Error & Inadequate Programmatic Controls.Personnel Counseled

05000528/LER-1988-021, :on 880821,reactor Trip Occurred Due to High Pressurizer Pressure.Caused by Failure of Microswitch in Stator Coolant Flow Trip Circuit.Microswitch Replaced.W/
type: Subject
page: https://kanterella.com/05000528/LER-2D1988-2D021-2C_-3Aon_880821-2Creactor_Trip_Occurred_Due_to_High_Pressurizer_Pressure.Caused_by_Failure_of_Microswitch_in_Stator_Coolant_Flow_Trip_Circuit.Microswit…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1988-021, :on 880821,reactor Trip Occurred Due to High Pressurizer Pressure.Caused by Failure of Microswitch in Stator Coolant Flow Trip Circuit.Microswitch Replaced.W/

LER-1989-014, :on 890622,discovered That Seismic Monitor Had Been Disconnected & Inoperable Since 890422.Caused by Procedural Failure.Procedure for Removal of Reactor Coolant Pump Motor Being Revised to Alert Personnel
type: Subject
label: 05000528/LER-1989-014, :on 890622,discovered That Seismic Monitor Had Been Disconnected & Inoperable Since 890422.Caused by Procedural Failure.Procedure for Removal of Reactor Coolant Pump Motor Being Revised to Alert Personnel
page: https://kanterella.com/05000528/LER-2D1989-2D014-2C_-3Aon_890622-2Cdiscovered_That_Seismic_Monitor_Had_Been_Disconnected_-26_Inoperable_Since_890422.Caused_by_Procedural_Failure.Procedure_for_Removal_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1989-014, :on 890622,discovered That Seismic Monitor Had Been Disconnected & Inoperable Since 890422.Caused by Procedural Failure.Procedure for Removal of Reactor Coolant Pump Motor Being Revised to Alert Personnel

LER-1987-016, :on 870609,both Trains of ESF Pump Room Air Exhaust Cleanup Sys Inoperable.Caused by Personnel Error. Operations Dept Experience Rept & Night Orders Developed & Issued & Warning Tags Placed on Equipment
type: Subject
label: 05000528/LER-1987-016, :on 870609,both Trains of ESF Pump Room Air Exhaust Cleanup Sys Inoperable.Caused by Personnel Error. Operations Dept Experience Rept & Night Orders Developed & Issued & Warning Tags Placed on Equipment
page: https://kanterella.com/05000528/LER-2D1987-2D016-2C_-3Aon_870609-2Cboth_Trains_of_ESF_Pump_Room_Air_Exhaust_Cleanup_Sys_Inoperable.Caused_by_Personnel_Error._Operations_Dept_Experience_Rept_-26_Night_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1987-016, :on 870609,both Trains of ESF Pump Room Air Exhaust Cleanup Sys Inoperable.Caused by Personnel Error. Operations Dept Experience Rept & Night Orders Developed & Issued & Warning Tags Placed on Equipment

Hpsi Injection Pumps Inoperable.Caused by Procedural Inadequacy.Procedure Revised to Include Steps to Ensure That HPSI Pumps Returned to Operable Status Prior to Entering Mode 4
type: Subject
label: 05000528/LER-1988-004-01, :on 880229,Mode 4 Entered W/Hpsi Injection Pumps Inoperable.Caused by Procedural Inadequacy.Procedure Revised to Include Steps to Ensure That HPSI Pumps Returned to Operable Status Prior to Entering Mode 4
page: https://kanterella.com/05000528/LER-2D1988-2D004-2D01-2C_-3Aon_880229-2CMode_4_Entered_W/Hpsi_Injection_Pumps_Inoperable.Caused_by_Procedural_Inadequacy.Procedure_Revised_to_Include_Steps_to_Ensure_Th…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000528/LER-1988-004-01, :on 880229,Mode 4 Entered W/Hpsi Injection Pumps Inoperable.Caused by Procedural Inadequacy.Procedure Revised to Include Steps to Ensure That HPSI Pumps Returned to Operable Status Prior to Entering Mode 4

LER-1987-003-02, :on 870929,condition Identified That,If Not Corrected,Could Have Resulted in Improper Operation of Two Shutdown Cooling Isolation Valves in Redundant Trains.Caused by Vendor Error.Bolting Replaced
type: Subject
label: 05000530/LER-1987-003-02, :on 870929,condition Identified That,If Not Corrected,Could Have Resulted in Improper Operation of Two Shutdown Cooling Isolation Valves in Redundant Trains.Caused by Vendor Error.Bolting Replaced
page: https://kanterella.com/05000530/LER-2D1987-2D003-2D02-2C_-3Aon_870929-2Ccondition_Identified_That-2CIf_Not_Corrected-2CCould_Have_Resulted_in_Improper_Operation_of_Two_Shutdown_Cooling_Isolation_Valve…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000530/LER-1987-003-02, :on 870929,condition Identified That,If Not Corrected,Could Have Resulted in Improper Operation of Two Shutdown Cooling Isolation Valves in Redundant Trains.Caused by Vendor Error.Bolting Replaced

05000529/LER-1987-021, :on 871202,post-accident Sampling Sys Declared Inoperable.Caused by Personnel Error.Appropriate Functional & Surveillance Tests Completed & Sys Decalred Operable.W/
type: Subject
page: https://kanterella.com/05000529/LER-2D1987-2D021-2C_-3Aon_871202-2Cpost-2Daccident_Sampling_Sys_Declared_Inoperable.Caused_by_Personnel_Error.Appropriate_Functional_-26_Surveillance_Tests_Completed_-2…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000529/LER-1987-021, :on 871202,post-accident Sampling Sys Declared Inoperable.Caused by Personnel Error.Appropriate Functional & Surveillance Tests Completed & Sys Decalred Operable.W/

LER-1987-015, :on 870816,control Room Essential Filtration Actuation Initiated on ESFAS Channels a & B.Caused by Voltage Spike on RU-30.Monitor Reset,Train B Returned to Svc & Procedural Change Initiated
type: Subject
label: 05000529/LER-1987-015, :on 870816,control Room Essential Filtration Actuation Initiated on ESFAS Channels a & B.Caused by Voltage Spike on RU-30.Monitor Reset,Train B Returned to Svc & Procedural Change Initiated
page: https://kanterella.com/05000529/LER-2D1987-2D015-2C_-3Aon_870816-2Ccontrol_Room_Essential_Filtration_Actuation_Initiated_on_ESFAS_Channels_a_-26_B.Caused_by_Voltage_Spike_on_RU-2D30.Monitor_Reset-2CTr…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000529/LER-1987-015, :on 870816,control Room Essential Filtration Actuation Initiated on ESFAS Channels a & B.Caused by Voltage Spike on RU-30.Monitor Reset,Train B Returned to Svc & Procedural Change Initiated

LER-1987-019, :on 871122,reactor Trip Occurred Due to Core Axial Shape Index Out of Bounds.Caused by Deficient Procedure & Faulty Contact.Procedural Enhancements Initiated & Faulty Contact Replaced
type: Subject
label: 05000529/LER-1987-019, :on 871122,reactor Trip Occurred Due to Core Axial Shape Index Out of Bounds.Caused by Deficient Procedure & Faulty Contact.Procedural Enhancements Initiated & Faulty Contact Replaced
page: https://kanterella.com/05000529/LER-2D1987-2D019-2C_-3Aon_871122-2Creactor_Trip_Occurred_Due_to_Core_Axial_Shape_Index_Out_of_Bounds.Caused_by_Deficient_Procedure_-26_Faulty_Contact.Procedural_Enhance…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000529/LER-1987-019, :on 871122,reactor Trip Occurred Due to Core Axial Shape Index Out of Bounds.Caused by Deficient Procedure & Faulty Contact.Procedural Enhancements Initiated & Faulty Contact Replaced

LER-1991-009, :on 910417,ESF Actuation & RWCU Isolation Occurred When Electricians Cut Wires to Plug of Wind Direction Recorder,Causing Voltage Drop.Caused by Equipment Installation Error.Wires Reversed
type: Subject
label: 05000397/LER-1991-009, :on 910417,ESF Actuation & RWCU Isolation Occurred When Electricians Cut Wires to Plug of Wind Direction Recorder,Causing Voltage Drop.Caused by Equipment Installation Error.Wires Reversed
page: https://kanterella.com/05000397/LER-2D1991-2D009-2C_-3Aon_910417-2CESF_Actuation_-26_RWCU_Isolation_Occurred_When_Electricians_Cut_Wires_to_Plug_of_Wind_Direction_Recorder-2CCausing_Voltage_Drop.Cause…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000397/LER-1991-009, :on 910417,ESF Actuation & RWCU Isolation Occurred When Electricians Cut Wires to Plug of Wind Direction Recorder,Causing Voltage Drop.Caused by Equipment Installation Error.Wires Reversed

LER-1989-030, :on 890210,HPCS Suction Valve from Suppression Pool Failed to Fully Open During Surveillance Procedure. Caused by Motor Operator HPCS-MO-15 Mfg Design Defect.Tech Spec Action Statements Entered & Valve Closed
type: Subject
label: 05000397/LER-1989-030, :on 890210,HPCS Suction Valve from Suppression Pool Failed to Fully Open During Surveillance Procedure. Caused by Motor Operator HPCS-MO-15 Mfg Design Defect.Tech Spec Action Statements Entered & Valve Closed
page: https://kanterella.com/05000397/LER-2D1989-2D030-2C_-3Aon_890210-2CHPCS_Suction_Valve_from_Suppression_Pool_Failed_to_Fully_Open_During_Surveillance_Procedure._Caused_by_Motor_Operator_HPCS-2DMO-2D15_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000397/LER-1989-030, :on 890210,HPCS Suction Valve from Suppression Pool Failed to Fully Open During Surveillance Procedure. Caused by Motor Operator HPCS-MO-15 Mfg Design Defect.Tech Spec Action Statements Entered & Valve Closed

05000397/LER-1988-012, :on 880606,potential Existence of Unmonitored Radiological Effluent Release Path During Certain Emergency Conditions Determined.Cause Unknown.Fan Disabled.Part 21 Related
type: Subject
page: https://kanterella.com/05000397/LER-2D1988-2D012-2C_-3Aon_880606-2Cpotential_Existence_of_Unmonitored_Radiological_Effluent_Release_Path_During_Certain_Emergency_Conditions_Determined.Cause_Unknown.Fa…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000397/LER-1988-012, :on 880606,potential Existence of Unmonitored Radiological Effluent Release Path During Certain Emergency Conditions Determined.Cause Unknown.Fan Disabled.Part 21 Related

LER-1988-009, :on 880401,standby Gas Treatment Sys Tech Spec Surveillances Not Performed within Time Limits.Caused by Personnel Error.Personnel Counseled & Procedure Revised to Provide Guidance When Surveillance Exceeded
type: Subject
label: 05000397/LER-1988-009, :on 880401,standby Gas Treatment Sys Tech Spec Surveillances Not Performed within Time Limits.Caused by Personnel Error.Personnel Counseled & Procedure Revised to Provide Guidance When Surveillance Exceeded
page: https://kanterella.com/05000397/LER-2D1988-2D009-2C_-3Aon_880401-2Cstandby_Gas_Treatment_Sys_Tech_Spec_Surveillances_Not_Performed_within_Time_Limits.Caused_by_Personnel_Error.Personnel_Counseled_-26_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000397/LER-1988-009, :on 880401,standby Gas Treatment Sys Tech Spec Surveillances Not Performed within Time Limits.Caused by Personnel Error.Personnel Counseled & Procedure Revised to Provide Guidance When Surveillance Exceeded

LER-1989-005, :on 890626,reactor Tripped on Loss of Load from 22- Power During Turbine Startup Due to High Steam Generator Level in Steam Generator.Caused by Personnel Error.Personnel Counseled & Training Methods Evaluated
type: Subject
label: 05000389/LER-1989-005, :on 890626,reactor Tripped on Loss of Load from 22% Power During Turbine Startup Due to High Steam Generator Level in Steam Generator.Caused by Personnel Error.Personnel Counseled & Training Methods Evaluated
page: https://kanterella.com/05000389/LER-2D1989-2D005-2C_-3Aon_890626-2Creactor_Tripped_on_Loss_of_Load_from_22-_Power_During_Turbine_Startup_Due_to_High_Steam_Generator_Level_in_Steam_Generator.Caused_by_…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000389/LER-1989-005, :on 890626,reactor Tripped on Loss of Load from 22% Power During Turbine Startup Due to High Steam Generator Level in Steam Generator.Caused by Personnel Error.Personnel Counseled & Training Methods Evaluated

05000315/LER-1987-006, :on 870409,ESF Actuation,Main Steam Line Isolation Occurred.Caused by Failure of Current to Current Converter.Bistables for Channel IV Restored to Untripped Condition
type: Subject
page: https://kanterella.com/05000315/LER-2D1987-2D006-2C_-3Aon_870409-2CESF_Actuation-2CMain_Steam_Line_Isolation_Occurred.Caused_by_Failure_of_Current_to_Current_Converter.Bistables_for_Channel_IV_Restore…
wiki namespace: 0
wiki page content language: en
reporting criterion: 10 CFR 50.73(c)(2)
wiki page sort key: 05000315/LER-1987-006, :on 870409,ESF Actuation,Main Steam Line Isolation Occurred.Caused by Failure of Current to Current Converter.Bistables for Channel IV Restored to Untripped Condition

Reporting criterion
type: ObjectProperty
page: https://kanterella.com/Property-3AReporting_criterion
wiki namespace: 102
wiki page content language: en
wiki page sort key: Reporting criterion
type: wpg