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| 05000338/LER-1983-001-03, /03L-0:on 830112,primary Grade Water Isolation Valve to Blender 1-CH-217 Remained Open Longer than Tech Spec Requirements.Caused by Personnel Error.Responsible Operator Reinstructed | /03L-0:on 830112,primary Grade Water Isolation Valve to Blender 1-CH-217 Remained Open Longer than Tech Spec Requirements.Caused by Personnel Error.Responsible Operator Reinstructed | |
| 05000338/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000339/LER-1983-001-03, /03L-0:on 830123,charging Pump 2-CH-P-1C Secured from Operation During High Lube Oil Temp Evaluation on Pump Speed Changer.Caused by Faulty Temp Indicator.Excess Oil Drained & Temp Returned to Normal.Temp Indicator Replaced | /03L-0:on 830123,charging Pump 2-CH-P-1C Secured from Operation During High Lube Oil Temp Evaluation on Pump Speed Changer.Caused by Faulty Temp Indicator.Excess Oil Drained & Temp Returned to Normal.Temp Indicator Replaced | |
| 05000339/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000339/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000338/LER-1983-002-03, /03L-0:830104,meteorological Delta Temp Recorder Determined Out of Tolerance.Caused by Instrument Drift. Recorder Recalibr | /03L-0:830104,meteorological Delta Temp Recorder Determined Out of Tolerance.Caused by Instrument Drift. Recorder Recalibr | |
| 05000338/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000339/LER-1983-003-03, /03L-0:on 830104,middle Level Corner Support Temp for Steam Generator a Indicated Less than 225 F for 12 H. Caused by Condensation Due to High Secondary Steam Leakage from body-to-bonnet Leak of Blowdown Isolation Valve | /03L-0:on 830104,middle Level Corner Support Temp for Steam Generator a Indicated Less than 225 F for 12 H. Caused by Condensation Due to High Secondary Steam Leakage from body-to-bonnet Leak of Blowdown Isolation Valve | |
| 05000339/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000338/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000338/LER-1983-003-03, /03L-0:on 830122,during Mode 5,RHR Flow Was Lost for 4 Minutes.Caused by Failure of 15 Kv a Inverter to Ac Vital Bus 1-III,de-energizing Auxiliary Relay for Pressure Channel P-1403.Vital Bus 1-III & RHR Flow Restored | /03L-0:on 830122,during Mode 5,RHR Flow Was Lost for 4 Minutes.Caused by Failure of 15 Kv a Inverter to Ac Vital Bus 1-III,de-energizing Auxiliary Relay for Pressure Channel P-1403.Vital Bus 1-III & RHR Flow Restored | |
| 05000339/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000339/LER-1983-004-03, /03L-0:on 830105,casing Cooling Pump B Removed from Svc.Caused by Need to Repair Small Leak in Discharge Flange of Pump.Repair Made & Pump Returned to Svc | /03L-0:on 830105,casing Cooling Pump B Removed from Svc.Caused by Need to Repair Small Leak in Discharge Flange of Pump.Repair Made & Pump Returned to Svc | |
| 05000338/LER-1983-004-03, /03L-0:on 830125,svc Water Supply Valves MOV-SW- 103B & C & Discharge Valve MOV-SW-104C to Recirculation Spray HXs Would Not Open.Caused by Problems in Valve Operators.Valves Removed & Cleaned | /03L-0:on 830125,svc Water Supply Valves MOV-SW- 103B & C & Discharge Valve MOV-SW-104C to Recirculation Spray HXs Would Not Open.Caused by Problems in Valve Operators.Valves Removed & Cleaned | |
| 05000338/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000338/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000338/LER-1983-005-03, /03L-0:on 830313,individual Rod Position Indication for Rod G-13 in Shutdown Bank a Deviated from Group Demand Position.Caused by Instrument Drift.Problem Generic to Westinghouse Analog Position Indication Sys | /03L-0:on 830313,individual Rod Position Indication for Rod G-13 in Shutdown Bank a Deviated from Group Demand Position.Caused by Instrument Drift.Problem Generic to Westinghouse Analog Position Indication Sys | |
| 05000339/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000339/LER-1983-005-03, /03L-0:on 830108,valve Monitoring Sys Cabinet de-energized for Maint,Causing Loss of Valve Position Indication for Pressurizer Safety & Porvs.Caused by Open Breakers.Breakers Closed After Maint | /03L-0:on 830108,valve Monitoring Sys Cabinet de-energized for Maint,Causing Loss of Valve Position Indication for Pressurizer Safety & Porvs.Caused by Open Breakers.Breakers Closed After Maint | |
| 05000338/LER-1983-006-03, /03L-0:on 830125,triaxial Peak Accelegraphs on RHR HX & Safety Injection Pipe Found Inoperable from Corrosion Damage on Internal Parts.Caused by Moisture Entering Accelegraphs.Units Replaced | /03L-0:on 830125,triaxial Peak Accelegraphs on RHR HX & Safety Injection Pipe Found Inoperable from Corrosion Damage on Internal Parts.Caused by Moisture Entering Accelegraphs.Units Replaced | |
| 05000338/LER-1983-006, Forwards LER 83-006/03L-0 | Forwards LER 83-006/03L-0 | |
| 05000339/LER-1983-006, Forwards LER 83-006/03L-0 | Forwards LER 83-006/03L-0 | |
| 05000339/LER-1983-006-03, /03L-0:on 830106,MOV-RS-255B,recirculation Spray Pump 2B Suction Isolation Valve Failed to Reopen After Periodic Test,Rendering 2-RS-P-2B Inoperable.Caused by Motor Operator Torquing Out from Jammed Seal Cap.Cap Reset | /03L-0:on 830106,MOV-RS-255B,recirculation Spray Pump 2B Suction Isolation Valve Failed to Reopen After Periodic Test,Rendering 2-RS-P-2B Inoperable.Caused by Motor Operator Torquing Out from Jammed Seal Cap.Cap Reset | |
| 05000338/LER-1983-007-03, /03L-0:on 830202,during Mode 5,high Head Safety Injection Throttle Valve Found Out of Alignment by 7/8 of Turn.Caused by Miscount of Valve Handle Turns During Type C 821109 Test or 821108 Valve Verification Procedure | /03L-0:on 830202,during Mode 5,high Head Safety Injection Throttle Valve Found Out of Alignment by 7/8 of Turn.Caused by Miscount of Valve Handle Turns During Type C 821109 Test or 821108 Valve Verification Procedure | |
| 05000339/LER-1983-007-03, /03L-0:on 830201,svc Water Supply Header to Charging Pump Lube Oil Coolers & Air Compressors Isolated to Repair Pinhole Leaks.Caused by Aggressive Water & Bacterial Reduction of Mild Steel Piping.Piping Replaced | /03L-0:on 830201,svc Water Supply Header to Charging Pump Lube Oil Coolers & Air Compressors Isolated to Repair Pinhole Leaks.Caused by Aggressive Water & Bacterial Reduction of Mild Steel Piping.Piping Replaced | |
| 05000339/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000338/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000338/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000338/LER-1983-008-03, /03L-0:on 830410,review Revealed That Procedure Used to Restore Boron Injection Tank Concentration Introduced Potential Unanalyzed Injection Flow Diversions. Caused by Oversight.Emergency Procedures Revised | /03L-0:on 830410,review Revealed That Procedure Used to Restore Boron Injection Tank Concentration Introduced Potential Unanalyzed Injection Flow Diversions. Caused by Oversight.Emergency Procedures Revised | |
| 05000339/LER-1983-008-03, /03L-0:on 830107,during Mode 3,individual Rod Position Indication Deviated from Group Demand Position by Greater than 12 Steps While Withdrawing Shutdown Bank B. Caused by Instrument Drift.Rods Recalibr | /03L-0:on 830107,during Mode 3,individual Rod Position Indication Deviated from Group Demand Position by Greater than 12 Steps While Withdrawing Shutdown Bank B. Caused by Instrument Drift.Rods Recalibr | |
| 05000339/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000338/LER-1983-009-03, /03L-0:on 830218,control Room Operator Observed Indications of Cavitation on RHR Pumps a & B.Cause Unknown. Pumps Secured & Vented.No Air Observed While Venting Pumps | /03L-0:on 830218,control Room Operator Observed Indications of Cavitation on RHR Pumps a & B.Cause Unknown. Pumps Secured & Vented.No Air Observed While Venting Pumps | |
| 05000338/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000339/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000339/LER-1983-009-03, /03L-0:on 830112,train a Reactor Trip Breaker Bypassed for More than Allowed 2 H During Solid State Protection Sys Surveillance Testing.Cause Due to Necessity to Replace Damaged Universal Logic Card | /03L-0:on 830112,train a Reactor Trip Breaker Bypassed for More than Allowed 2 H During Solid State Protection Sys Surveillance Testing.Cause Due to Necessity to Replace Damaged Universal Logic Card | |
| 05000338/LER-1983-010-03, /03L-0:on 830304,while in Mod 3,fire Door S71-17 Between 1J Emergency Diesel Generator Room & Turbine Bldg Declared Inoperable.Caused by Warping Due to Closing Door During Diesel Operation.Closure Device Readjusted | /03L-0:on 830304,while in Mod 3,fire Door S71-17 Between 1J Emergency Diesel Generator Room & Turbine Bldg Declared Inoperable.Caused by Warping Due to Closing Door During Diesel Operation.Closure Device Readjusted | |
| 05000338/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000339/LER-1983-010-03, /03L-0:on 830109,fire Door S54-13 Between Control Room Air Handler Room & Control Room Chiller Room Would Not Consistently Close.Caused by Loose Door Hinges & Out of Adjustment Reclosure Device.Hinges Tightened | /03L-0:on 830109,fire Door S54-13 Between Control Room Air Handler Room & Control Room Chiller Room Would Not Consistently Close.Caused by Loose Door Hinges & Out of Adjustment Reclosure Device.Hinges Tightened | |
| 05000339/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000338/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000338/LER-1983-011-03, /03L-0:on 830304,while in Mode 3,turbine Driven Auxiliary Feedwater Pump Tripped on Overspeed During Testing.Caused by Incorrect Setting of Turbine Governor on 830228.New Governor Installed & Pump Tested Satisfactorily | /03L-0:on 830304,while in Mode 3,turbine Driven Auxiliary Feedwater Pump Tripped on Overspeed During Testing.Caused by Incorrect Setting of Turbine Governor on 830228.New Governor Installed & Pump Tested Satisfactorily | |
| 05000339/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |
| 05000339/LER-1983-011-03, /03L-0:on 821119,individual Rod Position Indication Deviated from Group Demand Position by Greater than 12 Steps.Caused by Instrument Drift.Indicator Channel for Rods B-09 & 02 & F-06 Recalibr | /03L-0:on 821119,individual Rod Position Indication Deviated from Group Demand Position by Greater than 12 Steps.Caused by Instrument Drift.Indicator Channel for Rods B-09 & 02 & F-06 Recalibr | |
| 05000338/LER-1983-012-03, /03L-0:on 830304,individual Rod Position Indication for Rod D-04 in Control Bank C Indicated Zero Steps & Deviated from Group Demand Position.Caused by Faulty Signal Conditioning Module.Conditioning Module Replaced | /03L-0:on 830304,individual Rod Position Indication for Rod D-04 in Control Bank C Indicated Zero Steps & Deviated from Group Demand Position.Caused by Faulty Signal Conditioning Module.Conditioning Module Replaced | |
| 05000338/LER-1983-012, Forwards LER 83-012/03L-0 | Forwards LER 83-012/03L-0 | |
| 05000339/LER-1983-012-03, /03L-0:on 830114,delta T Indicator Associated W/Delta T Protection for Loop a Read 6% High.Caused by Failed Relay Card on Delta T Hot Loop A,TE-2412B,output. Card Replaced | /03L-0:on 830114,delta T Indicator Associated W/Delta T Protection for Loop a Read 6% High.Caused by Failed Relay Card on Delta T Hot Loop A,TE-2412B,output. Card Replaced | |
| 05000339/LER-1983-012, Forwards LER 83-012/03L-0 | Forwards LER 83-012/03L-0 | |
| 05000338/LER-1983-013-03, /03L-0:on 830317,steam Generator a Steam Flow Channel IV Failed Low.Cause Unknown.Failed Channel Placed in Tripped Condition | /03L-0:on 830317,steam Generator a Steam Flow Channel IV Failed Low.Cause Unknown.Failed Channel Placed in Tripped Condition | |
| 05000338/LER-1983-013, Forwards LER 83-013/03L-0 | Forwards LER 83-013/03L-0 | |
| 05000339/LER-1983-013, Forwards LER 83-013/03L-0 | Forwards LER 83-013/03L-0 | |