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| 05000270/LER-1980-003-01, /01T-0:on 800507,deborating Demineralizer Was Placed in Svc While Plant in Cold Shutdown & RCS Drained Down.Rcs Boron Concentration Reduced from 1,895 Ppm to 1,539 Ppm.Apparently Caused by Incorrect Chemistry Records | /01T-0:on 800507,deborating Demineralizer Was Placed in Svc While Plant in Cold Shutdown & RCS Drained Down.Rcs Boron Concentration Reduced from 1,895 Ppm to 1,539 Ppm.Apparently Caused by Incorrect Chemistry Records | |
| 05000270/LER-1980-003, Forwards LER 80-003/01T-0 | Forwards LER 80-003/01T-0 | |
| 05000270/LER-1980-006-03, /03L-0:on 800625,at 40% Full Power,Valve 2LP21 Failed to Open Electrically on Command.Caused by Loose Setscrew on Motor Driven Pinion.Screw Repaired | /03L-0:on 800625,at 40% Full Power,Valve 2LP21 Failed to Open Electrically on Command.Caused by Loose Setscrew on Motor Driven Pinion.Screw Repaired | |
| 05000270/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000259/LER-1980-009, Has Been Cancelled | Has Been Cancelled | |
| 05000270/LER-1980-014, Forwards LER 80-014/03L-0 | Forwards LER 80-014/03L-0 | |
| 05000270/LER-1980-014-03, /03L-0:on 800822,concentrated Boric Acid Storage Tank Pump Removed from Svc Due to Oil & Flange Leaks.Caused by Torn Oil Seal,Worn Worm Gear,Bad Flange Gasket & Stuck Pressure Relief Valve.Items Replaced | /03L-0:on 800822,concentrated Boric Acid Storage Tank Pump Removed from Svc Due to Oil & Flange Leaks.Caused by Torn Oil Seal,Worn Worm Gear,Bad Flange Gasket & Stuck Pressure Relief Valve.Items Replaced | |
| 05000270/LER-1980-015, Forwards LER 80-015/03L-0 | Forwards LER 80-015/03L-0 | |
| 05000270/LER-1980-015-03, /03L-0:on 800916,valve 2LP21 Failed to Open During Performance of Engineered Safeguard Channel Test.Caused by Loose Setscrew on Motor Driven Pinion.Screw Repaired | /03L-0:on 800916,valve 2LP21 Failed to Open During Performance of Engineered Safeguard Channel Test.Caused by Loose Setscrew on Motor Driven Pinion.Screw Repaired | |
| 05000287/LER-1980-016-03, /03L-1:on 801123,fire Detectors String B-2 Went Into Alarm Condition.Caused by Dust Buildup in Detector. Detector Cleaned & Verified Operable | /03L-1:on 801123,fire Detectors String B-2 Went Into Alarm Condition.Caused by Dust Buildup in Detector. Detector Cleaned & Verified Operable | |
| 05000287/LER-1980-016, Forwards LER 80-016/03L-1.Detailed Event Analysis Encl | Forwards LER 80-016/03L-1.Detailed Event Analysis Encl | |
| 05000270/LER-1980-020, Forwards LER 80-020/03L-0 | Forwards LER 80-020/03L-0 | |
| 05000270/LER-1980-020-03, /03L-0:on 801013,during Performance of Es on-line Test,Valve 2FDW-103 Failed to Close During Cycling.Caused by Failure of Torque Switch.Valve Manually Closed.Bad Torque Switch Replaced | /03L-0:on 801013,during Performance of Es on-line Test,Valve 2FDW-103 Failed to Close During Cycling.Caused by Failure of Torque Switch.Valve Manually Closed.Bad Torque Switch Replaced | |
| 05000270/LER-1980-022-01, /01T-0:on 801011,four Holes Were Knocked in Fire Barrier Between Cable Spread Room & Turbine Bldg W/O Establishment of Hourly Fire Watch.Caused by Failure to Provide Proper Notificaion.Hourly Fire Watch Established | /01T-0:on 801011,four Holes Were Knocked in Fire Barrier Between Cable Spread Room & Turbine Bldg W/O Establishment of Hourly Fire Watch.Caused by Failure to Provide Proper Notificaion.Hourly Fire Watch Established | |
| 05000270/LER-1980-022, Forwards LER 80-022/01T-0 | Forwards LER 80-022/01T-0 | |
| 05000270/LER-1980-024, Forwards LER 80-024/03L-0 | Forwards LER 80-024/03L-0 | |
| 05000270/LER-1980-024-03, /03L-0:on 801105,HPI Pump 2B Declared Inoperable Due to High Upper Bearing Temp.Caused by Isolation of Normal Cooling Water Supply to Unit 2 HPI Pumps,Personnel Error, Equipment Malfunction & Design Deficiency | /03L-0:on 801105,HPI Pump 2B Declared Inoperable Due to High Upper Bearing Temp.Caused by Isolation of Normal Cooling Water Supply to Unit 2 HPI Pumps,Personnel Error, Equipment Malfunction & Design Deficiency | |
| 05000270/LER-1980-025, Forwards LER 80-025/03L-0 | Forwards LER 80-025/03L-0 | |
| 05000270/LER-1980-025-03, /03L-0:on 801217,HPI Pump 2B Declared Inoperable Because Motor Indicated High Upper Bearing Temp.Caused by Personnel Error in Replacing Oil.High Bearing Temp Probably Due to Restricted Cooling Water Flow | /03L-0:on 801217,HPI Pump 2B Declared Inoperable Because Motor Indicated High Upper Bearing Temp.Caused by Personnel Error in Replacing Oil.High Bearing Temp Probably Due to Restricted Cooling Water Flow | |
| 05000269/LER-1980-040-01, /01T-0:on 801226,removable Instrument Assembly 40 Count Rate Increased,Apparently Due to Leak in once-through Steam Generator Tube.Caused by High Cycle Fatigue.Tube Replaced.Leak Procedure Implemented | /01T-0:on 801226,removable Instrument Assembly 40 Count Rate Increased,Apparently Due to Leak in once-through Steam Generator Tube.Caused by High Cycle Fatigue.Tube Replaced.Leak Procedure Implemented | |
| 05000269/LER-1980-040, Forwards LER 80-040/01T-0.Detailed Event Analysis Encl | Forwards LER 80-040/01T-0.Detailed Event Analysis Encl | |