| | | Reporting criterion |
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| 05000311/LER-1980-001-03, /03L-0:on 800522,when OL Received,Fire Barriers Were Open Due to Recent Removal of Electrical Cables,Pipes & Welding Cables.Cause Not Stated.Barriers Were Verified Sealed Prior to Core Load | /03L-0:on 800522,when OL Received,Fire Barriers Were Open Due to Recent Removal of Electrical Cables,Pipes & Welding Cables.Cause Not Stated.Barriers Were Verified Sealed Prior to Core Load | |
| 05000311/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000272/LER-1980-001, Forwards LER 80-001/03L-0 | Forwards LER 80-001/03L-0 | |
| 05000272/LER-1980-001-03, /031-0:on 800101,axial Flux Difference Determined to Be Outside Target Band.Caused by Signal Output Failing High.Signal Isolator Was Replaced & Axial Flux Difference Monitor Recalibr | /031-0:on 800101,axial Flux Difference Determined to Be Outside Target Band.Caused by Signal Output Failing High.Signal Isolator Was Replaced & Axial Flux Difference Monitor Recalibr | |
| 05000311/LER-1980-002, Forwards LER 80-002/03L-0 | Forwards LER 80-002/03L-0 | |
| 05000272/LER-1980-002-03, /03L-0:on 800104,discovered That Functional Tests of Power Range Neutron Flux Low Trip Setpoint When Greater than 25% Power Had Not Been Performed Since 1976.Caused by Lack of Procedures for Tests | /03L-0:on 800104,discovered That Functional Tests of Power Range Neutron Flux Low Trip Setpoint When Greater than 25% Power Had Not Been Performed Since 1976.Caused by Lack of Procedures for Tests | |
| 05000311/LER-1980-002-03, /03L-0:on 800526,during Routine Surveillance, Emergency Diesel 2B Could Not Be Fully Loaded.Caused by Three Pins Stuck in Fuel Injectors.Pins Were Unstuck & Diesel Tested Satisfactorily.Insp Order Has Been Initiated | /03L-0:on 800526,during Routine Surveillance, Emergency Diesel 2B Could Not Be Fully Loaded.Caused by Three Pins Stuck in Fuel Injectors.Pins Were Unstuck & Diesel Tested Satisfactorily.Insp Order Has Been Initiated | |
| 05000272/LER-1980-002, Forwards LER 80-002/03L-0.Previous Transmittal Included Incorrect LER Attachments | Forwards LER 80-002/03L-0.Previous Transmittal Included Incorrect LER Attachments | |
| 05000272/LER-1980-003-03, /03L-0:on 800203,air Particulate Detector Pump Seized,Rendering Detector Inoperable.Caused by Normal Degradation of Pump.Pump Replaced | /03L-0:on 800203,air Particulate Detector Pump Seized,Rendering Detector Inoperable.Caused by Normal Degradation of Pump.Pump Replaced | |
| 05000272/LER-1980-003, Forwards LER 80-003/03L-0 | Forwards LER 80-003/03L-0 | |
| 05000311/LER-1980-003, Has Been Cancelled | Has Been Cancelled | |
| 05000272/LER-1980-004, Forwards LER 80-004/03X-1.Detailed Event Analysis Encl | Forwards LER 80-004/03X-1.Detailed Event Analysis Encl | |
| 05000311/LER-1980-004, Forwards LER 80-004/03L-0 | Forwards LER 80-004/03L-0 | |
| 05000311/LER-1980-004-03, /03L-0:on 800610,during Routine Surveillance,Both Safety Injection Pumps Were Made Operable at Less than 312 F in Rcs.Caused by Lack of Procedure to Limit Max Number of Operable Safety Pumps | /03L-0:on 800610,during Routine Surveillance,Both Safety Injection Pumps Were Made Operable at Less than 312 F in Rcs.Caused by Lack of Procedure to Limit Max Number of Operable Safety Pumps | |
| 05000272/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000311/LER-1980-005-03, /03L-0:on 800622,during Preparation for Heatup, Position Indication & Mechanical Operation of Pressurizer Overpressure Protection Valves Gave False Indication & Failed to Reseat.Possibly Caused by Foreign Matl in Valve | /03L-0:on 800622,during Preparation for Heatup, Position Indication & Mechanical Operation of Pressurizer Overpressure Protection Valves Gave False Indication & Failed to Reseat.Possibly Caused by Foreign Matl in Valve | |
| 05000272/LER-1980-005-03, /03L-0:on 800117,containment Pressure Allowed to Increase Above Limit.Design Change 1EC-0474,not Incorporated,Would Have Raised Alarm Setpoints on Containment Particulated Monitors.Setpoints Readjusted | /03L-0:on 800117,containment Pressure Allowed to Increase Above Limit.Design Change 1EC-0474,not Incorporated,Would Have Raised Alarm Setpoints on Containment Particulated Monitors.Setpoints Readjusted | |
| 05000311/LER-1980-005, Forwards LER 80-005/03L-0 | Forwards LER 80-005/03L-0 | |
| 05000311/LER-1980-006-03, /03L-0:on 800625,residual Heat Removal Pump Was Discovered to Have Been Previously Improperly Assembled. Caused by Either Personnel Error or Procedural Inadequacy. Pump Inspected,Repaired & Reassembled | /03L-0:on 800625,residual Heat Removal Pump Was Discovered to Have Been Previously Improperly Assembled. Caused by Either Personnel Error or Procedural Inadequacy. Pump Inspected,Repaired & Reassembled | |
| 05000272/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000311/LER-1980-006, Forwards LER 80-006/03L-0 | Forwards LER 80-006/03L-0 | |
| 05000272/LER-1980-006-03, /03L-0:on 800123,power Was Lost to Meteorological Tower Instruments.Caused by Faulty Backup Power Inverter. Inverter Does Not Have Automatic Transfer Switch as Originally Designed | /03L-0:on 800123,power Was Lost to Meteorological Tower Instruments.Caused by Faulty Backup Power Inverter. Inverter Does Not Have Automatic Transfer Switch as Originally Designed | |
| 05000311/LER-1980-007-03, /03L-0:on 800709,during Normal Operations,Motor Bearing Thermocouple for 21 Containment Fan Coil Unit Indicated High.Caused by Normal Wear on Bearing.Bearing Replaced in Kind & Fan Coil Unit Tested Satisfactorily | /03L-0:on 800709,during Normal Operations,Motor Bearing Thermocouple for 21 Containment Fan Coil Unit Indicated High.Caused by Normal Wear on Bearing.Bearing Replaced in Kind & Fan Coil Unit Tested Satisfactorily | |
| 05000311/LER-1980-007, Forwards LER 80-007/03L-0 | Forwards LER 80-007/03L-0 | |
| 05000272/LER-1980-007, Forwards LER 80-007/03X-2.Detailed Event Analysis Encl | Forwards LER 80-007/03X-2.Detailed Event Analysis Encl | |
| 05000272/LER-1980-007-03, /03X-1:on 800128,design Deficiency Found in Demineralized Water Supply Check Valve to Auxiliary Feedwater Storage Tank 1DR7.Caused by Failure to Include Valve in Piping Spec Break.Valve Seismically Qualified | /03X-1:on 800128,design Deficiency Found in Demineralized Water Supply Check Valve to Auxiliary Feedwater Storage Tank 1DR7.Caused by Failure to Include Valve in Piping Spec Break.Valve Seismically Qualified | |
| 05000311/LER-1980-008-03, /03L-0:on 800710,during Routine Containment Entries,Entry Into Action Statement 3.6.1.3 Resulted from Excessive Leak Rate.Caused by Gaskets Being Moved from Seating Surface Due to Improper Operation.Gaskets Reseated | /03L-0:on 800710,during Routine Containment Entries,Entry Into Action Statement 3.6.1.3 Resulted from Excessive Leak Rate.Caused by Gaskets Being Moved from Seating Surface Due to Improper Operation.Gaskets Reseated | |
| 05000272/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000272/LER-1980-008-03, /03L-0:on 800129,maint Was Performed on Inboard Containment pressure-vacuum Relief Valve lVC6 Using nonsafety-related Procedures & Nonqualified Parts.Caused by Omission on List of safety-related Control Valves | /03L-0:on 800129,maint Was Performed on Inboard Containment pressure-vacuum Relief Valve lVC6 Using nonsafety-related Procedures & Nonqualified Parts.Caused by Omission on List of safety-related Control Valves | |
| 05000311/LER-1980-008, Forwards LER 80-008/03L-0 | Forwards LER 80-008/03L-0 | |
| 05000311/LER-1980-009-03, /03L-0:on 800709,during RCS Heatup,Steam Generator Flow & Pressure Channel Response Inadequate.Bistables Placed in Tripped Mode.Caused by Closed Isolation Valve from Main Steam Piping Preventing Normal Operation.Valve Opened | /03L-0:on 800709,during RCS Heatup,Steam Generator Flow & Pressure Channel Response Inadequate.Bistables Placed in Tripped Mode.Caused by Closed Isolation Valve from Main Steam Piping Preventing Normal Operation.Valve Opened | |
| 05000272/LER-1980-009, Forwards Updated LER 80-009/03X-2 | Forwards Updated LER 80-009/03X-2 | |
| 05000311/LER-1980-009, Forwards LER 80-009/03L-0 | Forwards LER 80-009/03L-0 | |
| 05000272/LER-1980-009-03, Small Leak Found in Telltale Drain 6 in Spent Fuel Pit.Caused by Leaking Welded seams.Half-round Channels Welded Over Leaking Welds | Small Leak Found in Telltale Drain 6 in Spent Fuel Pit.Caused by Leaking Welded seams.Half-round Channels Welded Over Leaking Welds | |
| 05000272/LER-1980-010-03, /03L-0:on 800206,while Reviewing Procedure,Found That,During Load Test on Manipulator Crane Prior to Fuel Movement on 790425,test of 3,220 Lbs Performed Instead of 3,250 Lbs Per Tech Spec.Procedure Will Be Revised | /03L-0:on 800206,while Reviewing Procedure,Found That,During Load Test on Manipulator Crane Prior to Fuel Movement on 790425,test of 3,220 Lbs Performed Instead of 3,250 Lbs Per Tech Spec.Procedure Will Be Revised | |
| 05000272/LER-1980-010, Forwards LER 80-010/03L-0 | Forwards LER 80-010/03L-0 | |
| 05000311/LER-1980-010, Forwards LER 80-010/03L-0 | Forwards LER 80-010/03L-0 | |
| 05000311/LER-1980-010-03, /03L-0:on 800709,during RCS Heatup at 1,700 Psig, Channels I & II for Pressure Indication Failed to Respond. Caused by Broken Fuse Cap on Channel I & Improper Valve Lineup on Channel Ii.Fuse Cap Replaced & Valve Opened | /03L-0:on 800709,during RCS Heatup at 1,700 Psig, Channels I & II for Pressure Indication Failed to Respond. Caused by Broken Fuse Cap on Channel I & Improper Valve Lineup on Channel Ii.Fuse Cap Replaced & Valve Opened | |
| 05000311/LER-1980-011-03, /03L-0:on 800710,during Routine surveillance,2C Vital Bus Undervoltage Trip Relay Failed to Meet Spec.Caused by Variation in Ambient Conditions Resulting in Relay Trip Setpoint Changing from Preset Mode.Relay Reset | /03L-0:on 800710,during Routine surveillance,2C Vital Bus Undervoltage Trip Relay Failed to Meet Spec.Caused by Variation in Ambient Conditions Resulting in Relay Trip Setpoint Changing from Preset Mode.Relay Reset | |
| 05000272/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000311/LER-1980-011, Forwards LER 80-011/03L-0 | Forwards LER 80-011/03L-0 | |
| 05000272/LER-1980-011-03, /03L-0:on 800212,during Air Lock Leakage Test, Found Leakage Above Tech Spec Limit.Caused by Gasket Being Jarred from Seating Channel.Gasket & Seating Surface Cleaned.Gasket Reinstalled | /03L-0:on 800212,during Air Lock Leakage Test, Found Leakage Above Tech Spec Limit.Caused by Gasket Being Jarred from Seating Channel.Gasket & Seating Surface Cleaned.Gasket Reinstalled | |
| 05000311/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000272/LER-1980-012-03, /03L-0:on 800205,air Particulate Detector Was Declared Inoperable When Shear Pins & Microswitch Failed. Caused by Normal Degradation of Pins & Probable Bump of Switch by Personnel.Pins Replaced & Switch Repaired | /03L-0:on 800205,air Particulate Detector Was Declared Inoperable When Shear Pins & Microswitch Failed. Caused by Normal Degradation of Pins & Probable Bump of Switch by Personnel.Pins Replaced & Switch Repaired | |
| 05000272/LER-1980-012, Forwards LER 80-012/03L-0 | Forwards LER 80-012/03L-0 | |
| 05000311/LER-1980-012-03, /03L-0:on 800713,during Routine Surveillance, Auxiliary Feedwater Pump 23 Found Inoperable.Caused by Jammed Control Valve Linkage Due to Loose Nut.Linkage Set Free,Nut Installed & Pump Tested Satisfactorily | /03L-0:on 800713,during Routine Surveillance, Auxiliary Feedwater Pump 23 Found Inoperable.Caused by Jammed Control Valve Linkage Due to Loose Nut.Linkage Set Free,Nut Installed & Pump Tested Satisfactorily | |
| 05000272/LER-1980-013, Forwards LER 80-013/03L-0 | Forwards LER 80-013/03L-0 | |
| 05000311/LER-1980-013-03, /03L-0:on 800714,during Routine tour,21 & 22CS6 Spray Header Isolation Valves Were Found Cleared & Tagged in Closed Position.Caused by Facilitation of Performance of Surveillance Test After Which Valves Were Not Repositioned | /03L-0:on 800714,during Routine tour,21 & 22CS6 Spray Header Isolation Valves Were Found Cleared & Tagged in Closed Position.Caused by Facilitation of Performance of Surveillance Test After Which Valves Were Not Repositioned | |
| 05000311/LER-1980-013, Forwards LER 80-013/03L-0 | Forwards LER 80-013/03L-0 | |
| 05000272/LER-1980-013-03, /03L-0:on 800227,during Routine Surveillance,Temp Maintained by Heat Trace Circuit 603 Found to Be 142 F Instead of 145 F.Caused by Pipe Insulation Erosion.Heat Tracing Repaired & Piping Reinsulated | /03L-0:on 800227,during Routine Surveillance,Temp Maintained by Heat Trace Circuit 603 Found to Be 142 F Instead of 145 F.Caused by Pipe Insulation Erosion.Heat Tracing Repaired & Piping Reinsulated | |
