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| 05000315/LER-1983-001-03, /03L-0:on 830118,Unit 2 Auxiliary Cable Vault Experienced Inadvertent Carbon Dioxide Discharge,Resulting in Isolation of Unit 1 & 2 Carbon Dioxide Tanks.Valve Closed & Main Isolation Reopened | /03L-0:on 830118,Unit 2 Auxiliary Cable Vault Experienced Inadvertent Carbon Dioxide Discharge,Resulting in Isolation of Unit 1 & 2 Carbon Dioxide Tanks.Valve Closed & Main Isolation Reopened | |
| 05000316/LER-1983-001-03, /03L-0:on 830122,during Overspeed Testing of Main Turbine,Centrifugal Overspeed Trip Device Failed to Operate at 110% & 112% Trip Points.Caused by Worn Area Between Governor Weight & Distance Ring.Rings & Weights Replaced | /03L-0:on 830122,during Overspeed Testing of Main Turbine,Centrifugal Overspeed Trip Device Failed to Operate at 110% & 112% Trip Points.Caused by Worn Area Between Governor Weight & Distance Ring.Rings & Weights Replaced | |
| 05000315/LER-1983-001, Forwards LER 83-001/03L-0 (Previously Submitted as Unit 2 LER 83-022/03L-0) | Forwards LER 83-001/03L-0 (Previously Submitted as Unit 2 LER 83-022/03L-0) | |
| 05000315/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000315/LER-1983-002-03, /03L-0:on 830125,ice Condenser Intermediate Deck Door Weighing Procedure Revealed 70 Doors Exceeded Max Initial Opening Force Specs.Caused by Misalignment &/Or Dented Hinges.Hinges Realigned & Lubricated | /03L-0:on 830125,ice Condenser Intermediate Deck Door Weighing Procedure Revealed 70 Doors Exceeded Max Initial Opening Force Specs.Caused by Misalignment &/Or Dented Hinges.Hinges Realigned & Lubricated | |
| 05000316/LER-1983-002, Forwards LER 83-002/01T-0 | Forwards LER 83-002/01T-0 | |
| 05000316/LER-1983-002-01, /01T-0:on 830111,during Surveillance Test on Reactor Coolant Pump Fire Protection Water Sys,Flow Was Not Indicated to Pumps 1 & 4 When Sys Actuated.Caused by Plugged Strainer.Strainer Removed,Cleaned & Returned to Svc | /01T-0:on 830111,during Surveillance Test on Reactor Coolant Pump Fire Protection Water Sys,Flow Was Not Indicated to Pumps 1 & 4 When Sys Actuated.Caused by Plugged Strainer.Strainer Removed,Cleaned & Returned to Svc | |
| 05000316/LER-1983-003-03, /03L-0:on 830119,during Heatup,Pressurizer Pressure Channel I Indicated Approx 35 Psi Higher than Normal.Caused by Pressure Transmitter NPP-151 Calibr Drifting High by Approx 25 Psi.Transmitter Calibr | /03L-0:on 830119,during Heatup,Pressurizer Pressure Channel I Indicated Approx 35 Psi Higher than Normal.Caused by Pressure Transmitter NPP-151 Calibr Drifting High by Approx 25 Psi.Transmitter Calibr | |
| 05000316/LER-1983-003-01, /01T-0:on 821222,w/RCS in Mode 6,during Test on Diesel Generator Load Shedding,Five Relay Timers Found Exceeding Tech Spec Tolerance.Caused by Instrument Drift. Timers Recalibr on 830118 During Mode 3 | /01T-0:on 821222,w/RCS in Mode 6,during Test on Diesel Generator Load Shedding,Five Relay Timers Found Exceeding Tech Spec Tolerance.Caused by Instrument Drift. Timers Recalibr on 830118 During Mode 3 | |
| 05000316/LER-1983-003, Forwards LER 83-003/01T-0.Detailed Event Analysis Submitted | Forwards LER 83-003/01T-0.Detailed Event Analysis Submitted | |
| 05000315/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000315/LER-1983-003-03, /03L-0:on 830103,fire Door 385 Would Not Latch Upon Closing Due to Bent Door Knob Spindle.Cause Undetermined.Knob Spindle Replaced & Door Closer Adjusted | /03L-0:on 830103,fire Door 385 Would Not Latch Upon Closing Due to Bent Door Knob Spindle.Cause Undetermined.Knob Spindle Replaced & Door Closer Adjusted | |
| 05000316/LER-1983-004-01, /01T-0:on 830107,during Surveillance Test on Spray Additive Tank Flow Rate,East & West Containment Spray Pump Eductor Line Flow Rates Below Tech Specs.Caused by Eductor Valves IMO-212 & 222 Partially Closed | /01T-0:on 830107,during Surveillance Test on Spray Additive Tank Flow Rate,East & West Containment Spray Pump Eductor Line Flow Rates Below Tech Specs.Caused by Eductor Valves IMO-212 & 222 Partially Closed | |
| 05000315/LER-1983-004-03, /03L-0:on 830109,during Surveillance Test on Containment Air Recirculation Fan HV-CEQ-1,fan Breaker Tripped.Cause Unknown.Motor Inspected,But No Deficiencies Discovered | /03L-0:on 830109,during Surveillance Test on Containment Air Recirculation Fan HV-CEQ-1,fan Breaker Tripped.Cause Unknown.Motor Inspected,But No Deficiencies Discovered | |
| 05000315/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000315/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000315/LER-1983-005-03, /03L-0:on 830111,CD Diesel Engine Declared Inoperable Due to Fuel Oil Leak on Front Bank Fuel Injector Pump 3.Cause Not Stated.Galling on High Pressure Fitting Detected.Fuel Oil Pump & Fuel Injection Line Replaced | /03L-0:on 830111,CD Diesel Engine Declared Inoperable Due to Fuel Oil Leak on Front Bank Fuel Injector Pump 3.Cause Not Stated.Galling on High Pressure Fitting Detected.Fuel Oil Pump & Fuel Injection Line Replaced | |
| 05000315/LER-1983-006-03, /03L-0:on 830119,containment Gaseous Radiation Monitor Channel ERS-1305 Declared Inoperable Due to Fail High Condition.Caused by Failed Detector.Detector Replaced. Channel Calibr,Verified & Returned to Svc | /03L-0:on 830119,containment Gaseous Radiation Monitor Channel ERS-1305 Declared Inoperable Due to Fail High Condition.Caused by Failed Detector.Detector Replaced. Channel Calibr,Verified & Returned to Svc | |
| 05000316/LER-1983-006-03, /03L-0:on 830104,during Normal Operation of Unit 1 & Refueling of Unit 2,fire Door 388 in Quad 2 Would Not Fully Close.Caused by Ventilation Flow.Door Closure Mechanism Adjusted & Door Operated Satisfactorily | /03L-0:on 830104,during Normal Operation of Unit 1 & Refueling of Unit 2,fire Door 388 in Quad 2 Would Not Fully Close.Caused by Ventilation Flow.Door Closure Mechanism Adjusted & Door Operated Satisfactorily | |
| 05000316/LER-1983-007-03, /03L-0:on 830105,during Surveillance Test,Low Pressure Alarm XPA-152 for Emergency Air Supply Found to Be Actuating at Less than 900 Psig.Cause Not Stated.Design Change Submitted to Replace Mercoid Pressure Switch | /03L-0:on 830105,during Surveillance Test,Low Pressure Alarm XPA-152 for Emergency Air Supply Found to Be Actuating at Less than 900 Psig.Cause Not Stated.Design Change Submitted to Replace Mercoid Pressure Switch | |
| 05000315/LER-1983-007-03, /03L-0:on 830120,AB Diesel Fire Door 319 Would Not Close Automatically When Opened During Normal Operation. Caused by Wired Open Supply Fan Louvers to AB Diesel, Changing Normal Ventilation Flow Path Configuration | /03L-0:on 830120,AB Diesel Fire Door 319 Would Not Close Automatically When Opened During Normal Operation. Caused by Wired Open Supply Fan Louvers to AB Diesel, Changing Normal Ventilation Flow Path Configuration | |
| 05000316/LER-1983-008-03, /03L-0:on 830106,while in Operational Mode 5, Temporary Seal for Fire Barrier Penetration W-9391 to Cd Diesel Discovered Loose.Cause Not Determined.Temporary Seal Installed | /03L-0:on 830106,while in Operational Mode 5, Temporary Seal for Fire Barrier Penetration W-9391 to Cd Diesel Discovered Loose.Cause Not Determined.Temporary Seal Installed | |
| 05000315/LER-1983-008-03, /03L-0:on 830120,fire Door 385 Found Unlatched During Normal Operation.Caused by Insufficient Closer Mechanism Force.Door Closer Mechanism Adjusted | /03L-0:on 830120,fire Door 385 Found Unlatched During Normal Operation.Caused by Insufficient Closer Mechanism Force.Door Closer Mechanism Adjusted | |
| 05000315/LER-1983-009-01, /01T-0:on 830201,operator Found Spray Additive Tank Outlet Valve Sealed in Closed Position.Caused by Operators Being Distracted During Performance of Test.Review of Startup Test Procedure Schedule Underway | /01T-0:on 830201,operator Found Spray Additive Tank Outlet Valve Sealed in Closed Position.Caused by Operators Being Distracted During Performance of Test.Review of Startup Test Procedure Schedule Underway | |
| 05000315/LER-1983-009, Forwards LER 83-009/01T-0 | Forwards LER 83-009/01T-0 | |
| 05000316/LER-1983-009-03, /03L-0:on 830117,during Unit Startup,Several Main Steam Safety Valves Found Leaking.Cause Not Stated.Gags Removed & Valves Declared Operable.Job Orders Written to Repair Valves During Next Outage of Sufficient Duration | /03L-0:on 830117,during Unit Startup,Several Main Steam Safety Valves Found Leaking.Cause Not Stated.Gags Removed & Valves Declared Operable.Job Orders Written to Repair Valves During Next Outage of Sufficient Duration | |
| 05000316/LER-1983-010-03, /03L-0:on 830118,during Mode 3,auxiliary Cable Vault North Ventilation Damper Failed to Close Upon Carbon Dioxide Actuation.Caused by Loose Pilot Piping. Associated Pipe Hangers & Fittings Tightened | /03L-0:on 830118,during Mode 3,auxiliary Cable Vault North Ventilation Damper Failed to Close Upon Carbon Dioxide Actuation.Caused by Loose Pilot Piping. Associated Pipe Hangers & Fittings Tightened | |
| 05000315/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000315/LER-1983-011-03, /03L-0:on 830125,while Repairing Transfer Pump 2 Ba,Pump 1 Ba Removed from Svc.Caused by Excessive Seal Leakage Due to Bearing Failure | /03L-0:on 830125,while Repairing Transfer Pump 2 Ba,Pump 1 Ba Removed from Svc.Caused by Excessive Seal Leakage Due to Bearing Failure | |
| 05000316/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000316/LER-1983-011-03, /03L-0:on 830108,pressurizer PORV NRV-152 Drifted Closed & NRV-153 Drifted Part Way Closed.Caused by Low Pressure on Outlet of Emergency Air Regulators.Regulators Adjusted & Evaluation of PORV Emergency Air Initiated | /03L-0:on 830108,pressurizer PORV NRV-152 Drifted Closed & NRV-153 Drifted Part Way Closed.Caused by Low Pressure on Outlet of Emergency Air Regulators.Regulators Adjusted & Evaluation of PORV Emergency Air Initiated | |
| 05000315/LER-1983-012-03, /03L-0:on 830203,fire Door 460 Blocked Open. Caused by Metal Plate Between Door Stop & Door.Metal Piece Removed | /03L-0:on 830203,fire Door 460 Blocked Open. Caused by Metal Plate Between Door Stop & Door.Metal Piece Removed | |
| 05000316/LER-1983-012-03, /03L-0:on 830126,exhaust Leak Identified on Expansion Joint on AB Diesel Engine Turbocharger Exhaust. Cause Undetermined.Expansion Joint Replaced.Similar Joints Inspected.No Defects Identified | /03L-0:on 830126,exhaust Leak Identified on Expansion Joint on AB Diesel Engine Turbocharger Exhaust. Cause Undetermined.Expansion Joint Replaced.Similar Joints Inspected.No Defects Identified | |
| 05000315/LER-1983-013-03, /03L-0:on 830201,when Maint Supervisor Clearance Placed on MRV-212 Steam Generator 1 Stop Valve Dump Valve to Repair Seat Leakage,Valve Declared Inoperable.Valve Cage & Plug Replaced | /03L-0:on 830201,when Maint Supervisor Clearance Placed on MRV-212 Steam Generator 1 Stop Valve Dump Valve to Repair Seat Leakage,Valve Declared Inoperable.Valve Cage & Plug Replaced | |
| 05000316/LER-1983-013-03, /03L-0:on 830122,steam Dump Sys Placed in Manual During Preparation for Main Turbine Overspeed Test,Causing RCS Temp to Drop Approx 2 F & Pressurizer Pressure to Drop to 2,180 Psig for Approx 1 Minute.Caused by Personnel Err | /03L-0:on 830122,steam Dump Sys Placed in Manual During Preparation for Main Turbine Overspeed Test,Causing RCS Temp to Drop Approx 2 F & Pressurizer Pressure to Drop to 2,180 Psig for Approx 1 Minute.Caused by Personnel Error | |
| 05000316/LER-1983-014-03, /03L-0:on 830124,steam Generator 3 Stop Valve Dump Valve MRV-232 Removed from Svc to Repair Seat Leakage.Caused by Need to Repair Valve.Valve Stem,Plug,Cage Seat Ring & Gaskets Replaced & Valve Returned to Svc | /03L-0:on 830124,steam Generator 3 Stop Valve Dump Valve MRV-232 Removed from Svc to Repair Seat Leakage.Caused by Need to Repair Valve.Valve Stem,Plug,Cage Seat Ring & Gaskets Replaced & Valve Returned to Svc | |
| 05000315/LER-1983-015, Forwards LER 83-015/03L-0 | Forwards LER 83-015/03L-0 | |
| 05000316/LER-1983-015, Forwards LER 83-015/03L-0 & 83-016/03L-0 | Forwards LER 83-015/03L-0 & 83-016/03L-0 | |
| 05000316/LER-1983-015-03, /03L-0:on 830113,contractor Personnel within Reactor Cable Tunnel Area W/O Required Number of Fire Watches.Area Vacated Until Proper Number of Fire Watches Established.Procedure Requirements Reviewed | /03L-0:on 830113,contractor Personnel within Reactor Cable Tunnel Area W/O Required Number of Fire Watches.Area Vacated Until Proper Number of Fire Watches Established.Procedure Requirements Reviewed | |
| 05000315/LER-1983-015-03, /03L-0:on 830203,during Normal Operation,Control Room Access Fire Door 412 Failed to Operate Properly.Cause Not Stated.Door Closer Mechanism Replaced | /03L-0:on 830203,during Normal Operation,Control Room Access Fire Door 412 Failed to Operate Properly.Cause Not Stated.Door Closer Mechanism Replaced | |
| 05000315/LER-1983-016-03, /03L-0:on 830314,control Room Air Cleanup Charcoal Filter (1-HV-ACRF) Detection Sys Found Inoperable.Caused by Failed Electronic Detection Circuit Board.Circuit Board Replaced | /03L-0:on 830314,control Room Air Cleanup Charcoal Filter (1-HV-ACRF) Detection Sys Found Inoperable.Caused by Failed Electronic Detection Circuit Board.Circuit Board Replaced | |
| 05000316/LER-1983-016-03, /03L-0:on 830113,several Valves Exhibited Excessive Leakage Causing Total Leak Rate to Exceed Limit. Caused by Dirt & Scale Deposits on Seating Surfaces & Erosion of Valve Seats.Valves Cleaned & Components Replaced | /03L-0:on 830113,several Valves Exhibited Excessive Leakage Causing Total Leak Rate to Exceed Limit. Caused by Dirt & Scale Deposits on Seating Surfaces & Erosion of Valve Seats.Valves Cleaned & Components Replaced | |
| 05000316/LER-1983-017, Forwards LER 83-017/03L-0 | Forwards LER 83-017/03L-0 | |
| 05000315/LER-1983-017-03, /03L-0:on 830303,excessive Leakage Rates Noted at Upper & Lower Containment Personnel Air Lock Doors.Caused by Personnel Not Removing Grease Fittings After Lubrication. Fittings Replaced | /03L-0:on 830303,excessive Leakage Rates Noted at Upper & Lower Containment Personnel Air Lock Doors.Caused by Personnel Not Removing Grease Fittings After Lubrication. Fittings Replaced | |
| 05000316/LER-1983-017-03, /03L-0:on 830115,during Performance of RHR Sys Isolation Valve Test in Mode 4,RHR Cooldown Valve IMO-128 Closed Above Tech Spec Pressure.Caused by Inaccurate wide-range Indicator Readings | /03L-0:on 830115,during Performance of RHR Sys Isolation Valve Test in Mode 4,RHR Cooldown Valve IMO-128 Closed Above Tech Spec Pressure.Caused by Inaccurate wide-range Indicator Readings | |
| 05000315/LER-1983-018-03, /03L-0:on 830303,upper Containment Personnel Air Lock Door Leakage Rate Found Excessive.Caused by Dirt & Tape Affixed to Outer Door Seals During Equipment Installation. Dirt & Tape Removed | /03L-0:on 830303,upper Containment Personnel Air Lock Door Leakage Rate Found Excessive.Caused by Dirt & Tape Affixed to Outer Door Seals During Equipment Installation. Dirt & Tape Removed | |
| 05000316/LER-1983-018-03, /03L-0:on 830117,lower Containment Gaseous & Particulate Radiation Monitors ERS-2301 & ERS-2305,failed. Caused by Loaded Particulate Filter Paper.Daily Filter Change Now Part of Routine for Shift | /03L-0:on 830117,lower Containment Gaseous & Particulate Radiation Monitors ERS-2301 & ERS-2305,failed. Caused by Loaded Particulate Filter Paper.Daily Filter Change Now Part of Routine for Shift | |
| 05000316/LER-1983-018, Forwards LER 83-018/03L-0 | Forwards LER 83-018/03L-0 | |
| 05000315/LER-1983-019-03, /03L-0:on 830313,612-ft Elevation Containment Air Lock Interlock Found Inoperable.Caused by out-of-adjustment Cable.Cable Adjusted | /03L-0:on 830313,612-ft Elevation Containment Air Lock Interlock Found Inoperable.Caused by out-of-adjustment Cable.Cable Adjusted | |
| 05000316/LER-1983-019-03, /03L-0:on 830118,during Normal Operation,Auxiliary Cable Vault (Zone 11) Experienced Inadvertent Carbon Dioxide Discharge W/Detector Alarming.Caused by Moisture in Base. Moisture Removed & Sys Returned to Svc | /03L-0:on 830118,during Normal Operation,Auxiliary Cable Vault (Zone 11) Experienced Inadvertent Carbon Dioxide Discharge W/Detector Alarming.Caused by Moisture in Base. Moisture Removed & Sys Returned to Svc | |
