| | | Reporting criterion |
|---|
| 05000325/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000325/LER-1980-001-03, /03L-0:on 800102,during Normal Operation, Containment Atmospheric Monitor Had Step Increase of Approx 2%.Caused by Instrument Drift.Instrument Recalibr & Returned to Svc | /03L-0:on 800102,during Normal Operation, Containment Atmospheric Monitor Had Step Increase of Approx 2%.Caused by Instrument Drift.Instrument Recalibr & Returned to Svc | |
| 05000324/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000324/LER-1980-001-03, /03L-0:on 800117,during Attempt to Start RHR Room Cooler 2A,breaker Tripped on Magnetics.Cause Could Not Be Determined Due to Inoperable Room Cooler 2B.Breaker Reset & Closed | /03L-0:on 800117,during Attempt to Start RHR Room Cooler 2A,breaker Tripped on Magnetics.Cause Could Not Be Determined Due to Inoperable Room Cooler 2B.Breaker Reset & Closed | |
| 05000324/LER-1980-002, Forwards LER 80-002/03L-0 | Forwards LER 80-002/03L-0 | |
| 05000324/LER-1980-002-03, /03L-0:on 800102,during Normal Reactor Startup,Rod Sequence Control Sys Would Not Allow Rods to Be Pulled Until Rod 34-27 Was Bypassed full-in. Caused by Defective full- in Reed Switch.Switch Will Be Repaired or Replaced | /03L-0:on 800102,during Normal Reactor Startup,Rod Sequence Control Sys Would Not Allow Rods to Be Pulled Until Rod 34-27 Was Bypassed full-in. Caused by Defective full- in Reed Switch.Switch Will Be Repaired or Replaced | |
| 05000325/LER-1980-002-03, /03L-0:on 800106,during Normal Operation,Point 4 of Chloride Intrusion Monitor 1-CO-CR24 Was Reading Downscale.Caused by Defective Relay & Dirty Contacts.Relay Replaced,Contacts Cleaned & Recorder Returned to Svc | /03L-0:on 800106,during Normal Operation,Point 4 of Chloride Intrusion Monitor 1-CO-CR24 Was Reading Downscale.Caused by Defective Relay & Dirty Contacts.Relay Replaced,Contacts Cleaned & Recorder Returned to Svc | |
| 05000325/LER-1980-002, Forwards LER 80-002/03L-0 | Forwards LER 80-002/03L-0 | |
| 05000324/LER-1980-003, Forwards LER 80-003/03L-0 | Forwards LER 80-003/03L-0 | |
| 05000324/LER-1980-003-03, /03L-0:on 800103,during Reactor Startup,Vessel Conductivity Exceeded 2 Umho for 31-h.Caused by Auxiliary Boilers Being Isolated for Months & Supply Lines Containing Stagnant,High Conductivity Water | /03L-0:on 800103,during Reactor Startup,Vessel Conductivity Exceeded 2 Umho for 31-h.Caused by Auxiliary Boilers Being Isolated for Months & Supply Lines Containing Stagnant,High Conductivity Water | |
| 05000325/LER-1980-003, Forwards LER 80-003/03L-0 | Forwards LER 80-003/03L-0 | |
| 05000325/LER-1980-003-03, /03L-0:on 800114,channel Calibr CST Level Switch 1E41-LSL-N002 Found to Actuate at 23 Feet Decreasing.Caused by Switch Out of Calibr.Instrument Calibr & Returned to Svc | /03L-0:on 800114,channel Calibr CST Level Switch 1E41-LSL-N002 Found to Actuate at 23 Feet Decreasing.Caused by Switch Out of Calibr.Instrument Calibr & Returned to Svc | |
| 05000325/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000325/LER-1980-004-03, /03L-0:on 800308,during Normal Plant Operation, Oxygen Channel of Containment Atmospheric Monitor CAC-AT- 1263-2 Experienced 1% Step Change.Caused by Possible Wiring or Connection Problem.Monitor Repair Is Underway | /03L-0:on 800308,during Normal Plant Operation, Oxygen Channel of Containment Atmospheric Monitor CAC-AT- 1263-2 Experienced 1% Step Change.Caused by Possible Wiring or Connection Problem.Monitor Repair Is Underway | |
| 05000324/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000324/LER-1980-004-03, /03L-0:on 800127,during Normal Operations, Containment Atmospheric Monitor CAC-AT-1263 Kept Shutting Down Due to Low Flow Following Inerting Operation of Drywell.Cause Undetermined.Instruments to Be Replaced | /03L-0:on 800127,during Normal Operations, Containment Atmospheric Monitor CAC-AT-1263 Kept Shutting Down Due to Low Flow Following Inerting Operation of Drywell.Cause Undetermined.Instruments to Be Replaced | |
| 05000325/LER-1980-005-03, /03L-0:on 800113,while Performing Control Rod Operability Check,Control Rod 42-35 Had No Position Indication at Notch 47.Caused by Fault in Reed Switch in Prototypic Inlet Piping Probe | /03L-0:on 800113,while Performing Control Rod Operability Check,Control Rod 42-35 Had No Position Indication at Notch 47.Caused by Fault in Reed Switch in Prototypic Inlet Piping Probe | |
| 05000325/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000324/LER-1980-005-03, /03L-0:on 800105,during Normal Operation,Found Isolation Valve for Pressure Switch 2-E11-PS-N010D Shut. Cause Unknown.Counselled Personnel on Necessity to Follow Procedures to Ensure Proper Instrumentation Svc | /03L-0:on 800105,during Normal Operation,Found Isolation Valve for Pressure Switch 2-E11-PS-N010D Shut. Cause Unknown.Counselled Personnel on Necessity to Follow Procedures to Ensure Proper Instrumentation Svc | |
| 05000324/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000325/LER-1980-006-03, /03L-0:on 800225,while Working on Trouble Ticket Re Position Indication for RIP Valve 49B,discovered Valve Not Closing Fully When Given Closing Signal.No Cause Stated. Valve Will Be Repaired During 1980 Refueling Outage | /03L-0:on 800225,while Working on Trouble Ticket Re Position Indication for RIP Valve 49B,discovered Valve Not Closing Fully When Given Closing Signal.No Cause Stated. Valve Will Be Repaired During 1980 Refueling Outage | |
| 05000325/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000324/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000324/LER-1980-006-03, /03L-0:on 800103,during Normal Startup,Control Rod 26-07 Had No Position Indication at Notch 48.During 800109 Startup,Rod 34-35 Had No Indication at Notch 7.Caused by Faulty Reed Switches in Prototypical Inlet Piping Probes | /03L-0:on 800103,during Normal Startup,Control Rod 26-07 Had No Position Indication at Notch 48.During 800109 Startup,Rod 34-35 Had No Indication at Notch 7.Caused by Faulty Reed Switches in Prototypical Inlet Piping Probes | |
| 05000324/LER-1980-007-03, /03L-0:on 800204,when Plant Batteries Were Placed in Equalize,Steam Leak Detection a Logic Topaz Inverter, Model 125-GW 12560,tripped.Caused by Improper Setting on Inverter High Voltage Trip.Inverter Trips Recalibr | /03L-0:on 800204,when Plant Batteries Were Placed in Equalize,Steam Leak Detection a Logic Topaz Inverter, Model 125-GW 12560,tripped.Caused by Improper Setting on Inverter High Voltage Trip.Inverter Trips Recalibr | |
| 05000324/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000325/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000325/LER-1980-007-03, /03L-0:on 800114,during Normal Operation,Torus Level Indicator CAC-LI-3342 on Remote Shutdown Panel Was Not in Agreement W/Others in Control Room.Caused by Air Trapped in Demineralizer Water Line to Ref Leg.Instrument Recali | /03L-0:on 800114,during Normal Operation,Torus Level Indicator CAC-LI-3342 on Remote Shutdown Panel Was Not in Agreement W/Others in Control Room.Caused by Air Trapped in Demineralizer Water Line to Ref Leg.Instrument Recalibr | |
| 05000324/LER-1980-008-03, /03L-0:on 800110,while Performing Reactor Core Isolation Cooling Instrument Check,Reactor Core Isolation Cooling Trip & Throttle Valve MOV-V8 Would Not Trip.Caused by Burned Solenoid.Solenoid Repaired | /03L-0:on 800110,while Performing Reactor Core Isolation Cooling Instrument Check,Reactor Core Isolation Cooling Trip & Throttle Valve MOV-V8 Would Not Trip.Caused by Burned Solenoid.Solenoid Repaired | |
| 05000324/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000325/LER-1980-008-03, /03L-0:on 800115,while Attempting to Start RHR Svs Water Pump 1D to Check for Flange Leaks,Low Suction Pressure Annunciator Would Not Clear,Making B Loop Inoperable.Caused by Failure to re-energize Circuit 19 | /03L-0:on 800115,while Attempting to Start RHR Svs Water Pump 1D to Check for Flange Leaks,Low Suction Pressure Annunciator Would Not Clear,Making B Loop Inoperable.Caused by Failure to re-energize Circuit 19 | |
| 05000325/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000325/LER-1980-009, Forwards LER 80-009/03L-0 | Forwards LER 80-009/03L-0 | |
| 05000325/LER-1980-009-03, /03L-0:on 800120,during Normal Operation,Control Operator Noticed Containment Atmospheric Monitor Had Step Change for No Apparent Reason.No Cause Determined.Components of Monitor Replaced & Recalibr | /03L-0:on 800120,during Normal Operation,Control Operator Noticed Containment Atmospheric Monitor Had Step Change for No Apparent Reason.No Cause Determined.Components of Monitor Replaced & Recalibr | |
| 05000324/LER-1980-009, Forwards LER 80-009/03L-0 | Forwards LER 80-009/03L-0 | |
| 05000324/LER-1980-009-03, /03L-0:on 800114,during Normal Operation, Containment Atmospheric Monitor CAC-AT-1259-1 Failed Upscale.Caused by Loose Ground Connection on Span Potentiometer.Connection Tightened | /03L-0:on 800114,during Normal Operation, Containment Atmospheric Monitor CAC-AT-1259-1 Failed Upscale.Caused by Loose Ground Connection on Span Potentiometer.Connection Tightened | |
| 05000325/LER-1980-010-03, /03L-0:on 800122,while Performing Main Steam Line High Radiation Functional Check,Drawer 1D12-RM-K603B Found Out of Calibr.Instrument Drift Is Recurring Problem. Drawer Recalibr & Returned to Svc | /03L-0:on 800122,while Performing Main Steam Line High Radiation Functional Check,Drawer 1D12-RM-K603B Found Out of Calibr.Instrument Drift Is Recurring Problem. Drawer Recalibr & Returned to Svc | |
| 05000325/LER-1980-010, Forwards LER 80-010/03L-0 | Forwards LER 80-010/03L-0 | |
| 05000324/LER-1980-010-03, /03L-0:on 800114,during Normal Plant Operation, Nuclear Engineer Performed OD-1 & Found Max Critical Power Ratio to Exceed Limit.Caused by Low Power Range Monitor Having Two Levels Bypassed & Problems W/Core Flow Input | /03L-0:on 800114,during Normal Plant Operation, Nuclear Engineer Performed OD-1 & Found Max Critical Power Ratio to Exceed Limit.Caused by Low Power Range Monitor Having Two Levels Bypassed & Problems W/Core Flow Input | |
| 05000324/LER-1980-010, Supplemental LER 80-010/03L-1:on 800114,during Normal Plant operation,OD-1 Determined That Max Critical Power Ratio Was Below Tech Specs for Bundle 43-28.Caused by Problems W/Low Power Range Monitor & Core Flow Input.Power Redu | Supplemental LER 80-010/03L-1:on 800114,during Normal Plant operation,OD-1 Determined That Max Critical Power Ratio Was Below Tech Specs for Bundle 43-28.Caused by Problems W/Low Power Range Monitor & Core Flow Input.Power Reduced | |
| 05000325/LER-1980-011-03, /03L-0:on 800121,during 10-minute Run of HPCI Auxiliary Oil Pump,Stoppage Occurred When Switch Moved from Start to Auto Position.Caused by Loose Wire on RTGB Control Switch.Wire Reattached & Tightened | /03L-0:on 800121,during 10-minute Run of HPCI Auxiliary Oil Pump,Stoppage Occurred When Switch Moved from Start to Auto Position.Caused by Loose Wire on RTGB Control Switch.Wire Reattached & Tightened | |
| 05000325/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000324/LER-1980-011-03, /03L-0:on 800110,when Time Was Entered on Computer After Reinitialization,Computer Had Software Stall & Could Not Be Kept on Line,Causing Temp Recorder CAC-7R-1258 to Be Inoperable.New Points Added to Sys | /03L-0:on 800110,when Time Was Entered on Computer After Reinitialization,Computer Had Software Stall & Could Not Be Kept on Line,Causing Temp Recorder CAC-7R-1258 to Be Inoperable.New Points Added to Sys | |
| 05000324/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000325/LER-1980-012-03, /03L-0:on 800224,during Normal Plant Operation,Rip Valves,Variable Leg Isolation for Torus Level Transmitter & Variable Leg for Torus Level Pressure Switch Shut & Could Not Be Opened.Caused by Failure of Svc Air Compressors | /03L-0:on 800224,during Normal Plant Operation,Rip Valves,Variable Leg Isolation for Torus Level Transmitter & Variable Leg for Torus Level Pressure Switch Shut & Could Not Be Opened.Caused by Failure of Svc Air Compressors | |
| 05000325/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000324/LER-1980-012-03, /03L-0:on 800116,while Performing Torus Water Level Calibr & Functional Check,Level Switch E41-LSH-NOI5A Would Not Actuate.Caused by Switch Out of Calibr.Instrument Recalibr | /03L-0:on 800116,while Performing Torus Water Level Calibr & Functional Check,Level Switch E41-LSH-NOI5A Would Not Actuate.Caused by Switch Out of Calibr.Instrument Recalibr | |
| 05000324/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000324/LER-1980-013-03, /03L-0:on 800116,during Normal Operation, Containment Atmospheric Monitor CAC-AQH-1260 Monitor Breaker Had Tripped on Magnetics Rendering CAC-AQH-1262-2 Inoperable.Caused by Short in Power Lead.Lead Taped | /03L-0:on 800116,during Normal Operation, Containment Atmospheric Monitor CAC-AQH-1260 Monitor Breaker Had Tripped on Magnetics Rendering CAC-AQH-1262-2 Inoperable.Caused by Short in Power Lead.Lead Taped | |
| 05000325/LER-1980-013-03, /03L-0:on 800125,while Performing Reactor Low Water Level 2 & 3 Channel Calibr & Functional Check,Low Pressure Switch 1B21-LITS-N031A-2 Failed to Actuate.Caused by Instrument Drift.Instruments to Be Replaced | /03L-0:on 800125,while Performing Reactor Low Water Level 2 & 3 Channel Calibr & Functional Check,Low Pressure Switch 1B21-LITS-N031A-2 Failed to Actuate.Caused by Instrument Drift.Instruments to Be Replaced | |
