| | | Reporting criterion |
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| 05000260/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000260/LER-1983-001-03, /03L-0:on 830128,interlock Providing Rod Withdrawal Block Inoperable When Refuel Platform Moved Over Core.Caused by Failure of Limit Switch 2 Due to Stuck Plunger | /03L-0:on 830128,interlock Providing Rod Withdrawal Block Inoperable When Refuel Platform Moved Over Core.Caused by Failure of Limit Switch 2 Due to Stuck Plunger | |
| 05000296/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000259/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | |
| 05000296/LER-1983-001-03, /03L-0:on 830107,during Surveillance Testing Drywell Containment Spray Isolation Valve 3-FCV-74-74 Failed to Operate.Caused by Fractured Worm Shaft Clutch Gear Due to Impact Load.New Clutch Gear Installed | /03L-0:on 830107,during Surveillance Testing Drywell Containment Spray Isolation Valve 3-FCV-74-74 Failed to Operate.Caused by Fractured Worm Shaft Clutch Gear Due to Impact Load.New Clutch Gear Installed | |
| 05000259/LER-1983-001-03, /03L-0:on 830110,pressure Switch 1-PS-75-7 Found to Have Setpoint of 174 Psi.Tech Specs Require Setpoint to Be 185 + 10 Psi.Caused by Setpoint Drift.Mercoid Switch Recalibr | /03L-0:on 830110,pressure Switch 1-PS-75-7 Found to Have Setpoint of 174 Psi.Tech Specs Require Setpoint to Be 185 + 10 Psi.Caused by Setpoint Drift.Mercoid Switch Recalibr | |
| 05000259/LER-1983-002-03, /03L-0:on 830117,during Surveillance Insp,Control Rod 10-39 Failed to Operate at Position 46.Probably Caused by Crud Accumulation in Valve Flow Orifice.Insert Directional Control Valve Replaced | /03L-0:on 830117,during Surveillance Insp,Control Rod 10-39 Failed to Operate at Position 46.Probably Caused by Crud Accumulation in Valve Flow Orifice.Insert Directional Control Valve Replaced | |
| 05000296/LER-1983-002-03, /03L-0:on 830112,primary Purge Sys Failed to Achieve Required Flow Rate of Greater than 10% of Design. Caused by Filter Internals Clogged W/Sand Dust from Sandblasting.New Filters Installed | /03L-0:on 830112,primary Purge Sys Failed to Achieve Required Flow Rate of Greater than 10% of Design. Caused by Filter Internals Clogged W/Sand Dust from Sandblasting.New Filters Installed | |
| 05000296/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000259/LER-1983-002, Forwards LER 83-002/03L-0 | Forwards LER 83-002/03L-0 | |
| 05000260/LER-1983-002-01, /01T-0:on 830208,during Preparation for Startup, Pressure Switches PS-68-96 Switch 1,PS-3-74A Switch 1 & PS-3-74B Switches 1 & 2 Operated at 199.7,208.43,208.43 & 471.43,psi,respectively.Caused by Instrument Drift | /01T-0:on 830208,during Preparation for Startup, Pressure Switches PS-68-96 Switch 1,PS-3-74A Switch 1 & PS-3-74B Switches 1 & 2 Operated at 199.7,208.43,208.43 & 471.43,psi,respectively.Caused by Instrument Drift | |
| 05000260/LER-1983-002, Forwards LER 83-002/01T-0 | Forwards LER 83-002/01T-0 | |
| 05000260/LER-1983-003-03, /03L-0:on 830213,during Refueling,Continuous Air Monitor 2-RM-90-250 Rendered Inoperable Due to Broken Drive Belt.Caused by Normal Wear Due to Continuous Operation.Std V-belt for Schwitzer Model 325 Air Pump Replaced | /03L-0:on 830213,during Refueling,Continuous Air Monitor 2-RM-90-250 Rendered Inoperable Due to Broken Drive Belt.Caused by Normal Wear Due to Continuous Operation.Std V-belt for Schwitzer Model 325 Air Pump Replaced | |
| 05000260/LER-1983-003, Forwards LER 83-003/03L-0 | Forwards LER 83-003/03L-0 | |
| 05000296/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000260/LER-1983-004, Forwards LER 83-004/01T-0 | Forwards LER 83-004/01T-0 | |
| 05000260/LER-1983-004-01, /01T-0:on 830220,reactor Water Level Switch Setpoints Discovered out-of-tolerance.Caused by Setpoint Drift in Barton 288 Switches.Switches Recalibr & Will Be Replaced Per DCR 1398 | /01T-0:on 830220,reactor Water Level Switch Setpoints Discovered out-of-tolerance.Caused by Setpoint Drift in Barton 288 Switches.Switches Recalibr & Will Be Replaced Per DCR 1398 | |
| 05000259/LER-1983-004-03, /03L-0:on 830124,recirculation Pump 1A Increased Speed,Was Manually Tripped & Would Not Restart.Caused by Broken Heim Joint within Hydraulic Coupler Which Allowed Full Coupling of Motor & Generator.Joint Replaced | /03L-0:on 830124,recirculation Pump 1A Increased Speed,Was Manually Tripped & Would Not Restart.Caused by Broken Heim Joint within Hydraulic Coupler Which Allowed Full Coupling of Motor & Generator.Joint Replaced | |
| 05000259/LER-1983-004, Forwards LER 83-004/03L-0 | Forwards LER 83-004/03L-0 | |
| 05000296/LER-1983-005-03, /03L-0:on 821222,while Performing Monthly Vibration Tests on 480-volt Reactor Motor Operator Valve Board Motor Generator Sets,High Vibration Readings Detected on 3DA Set Coupling.Caused by Excessive Seal Removal | /03L-0:on 821222,while Performing Monthly Vibration Tests on 480-volt Reactor Motor Operator Valve Board Motor Generator Sets,High Vibration Readings Detected on 3DA Set Coupling.Caused by Excessive Seal Removal | |
| 05000296/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000259/LER-1983-005-03, /03L-0:on 830126,trouble Alarm Sounded for Control Bay Elevation 593 Fire Protection Panel 1-25-325,Zone 14. Caused by Power Loss to Some of 16 Smoke Detectors.Broken Nylon Insulating Screw Caused Detector to Short Circuit | /03L-0:on 830126,trouble Alarm Sounded for Control Bay Elevation 593 Fire Protection Panel 1-25-325,Zone 14. Caused by Power Loss to Some of 16 Smoke Detectors.Broken Nylon Insulating Screw Caused Detector to Short Circuit | |
| 05000260/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000296/LER-1983-006, Forwards LER 83-006/03L-0 | Forwards LER 83-006/03L-0 | |
| 05000296/LER-1983-006-03, /03L-0:on 830128,during Shutdown,While Performing Monthly Vibration Tests on 480-volt Reactor Motor Operated Valve Motor Generator Sets,High Vibration Readings Detected. Caused by Leak in Seal Ring.Coupling & Rings Replaced | /03L-0:on 830128,during Shutdown,While Performing Monthly Vibration Tests on 480-volt Reactor Motor Operated Valve Motor Generator Sets,High Vibration Readings Detected. Caused by Leak in Seal Ring.Coupling & Rings Replaced | |
| 05000259/LER-1983-006-01, /01T-0:on 830205,following Reactor Scram,Main Steam Relief Valve 1-1-22 Manually Opened & Failed to Close. on 830208,valve Opened at 178 Psig.Caused by Excessive Pilot Valve Leakage & Broken Bracket for Pilot Inlet Tube | /01T-0:on 830205,following Reactor Scram,Main Steam Relief Valve 1-1-22 Manually Opened & Failed to Close. on 830208,valve Opened at 178 Psig.Caused by Excessive Pilot Valve Leakage & Broken Bracket for Pilot Inlet Tube | |
| 05000259/LER-1983-006, Forwards LER 83-006/01T-0 | Forwards LER 83-006/01T-0 | |
| 05000259/LER-1983-007-03, /03L-0:on 830205,MSRV 1-1-22 Failed to Close & Drywell Unidentified Leakage Exceeded 5 Gpm.Caused by Damaged Vacuum Relief Valve Failing to Reseat.Valve Replaced.Mod Planned During Next Refueling Outage | /03L-0:on 830205,MSRV 1-1-22 Failed to Close & Drywell Unidentified Leakage Exceeded 5 Gpm.Caused by Damaged Vacuum Relief Valve Failing to Reseat.Valve Replaced.Mod Planned During Next Refueling Outage | |
| 05000296/LER-1983-007-03, /03L-0:on 830128,during Monthly Vibration Checks, Generator/Flywheel Ball Bearing Developed High Vibration Levels.Cause Suspected to Be Normal Wear.Bearing Replaced | /03L-0:on 830128,during Monthly Vibration Checks, Generator/Flywheel Ball Bearing Developed High Vibration Levels.Cause Suspected to Be Normal Wear.Bearing Replaced | |
| 05000296/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000259/LER-1983-007, Forwards LER 83-007/03L-0 | Forwards LER 83-007/03L-0 | |
| 05000259/LER-1983-008-03, /03L-0:on 830210,secondary Containment Breached When Turbine Bldg to Reactor Bldg Doors Opened Simultaneously.Caused by Failure of Interlock Sys.Reactor Bldg Doors Not Closed Far Enough to Engage Strike | /03L-0:on 830210,secondary Containment Breached When Turbine Bldg to Reactor Bldg Doors Opened Simultaneously.Caused by Failure of Interlock Sys.Reactor Bldg Doors Not Closed Far Enough to Engage Strike | |
| 05000260/LER-1983-008-03, /03L-0:on 830319,during Startup,Reactor Water Level Indicator LI-3-46A Observed to Be Reading Erroneously High Compared to Other Indications & Declared Inoperable. Caused by Meter Face Being Pushed Against Indicating Needle | /03L-0:on 830319,during Startup,Reactor Water Level Indicator LI-3-46A Observed to Be Reading Erroneously High Compared to Other Indications & Declared Inoperable. Caused by Meter Face Being Pushed Against Indicating Needle | |
| 05000260/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000259/LER-1983-008, Forwards LER 83-008/03L-0 | Forwards LER 83-008/03L-0 | |
| 05000296/LER-1983-008-01, /01T-0:on 830207,while Performing SI 4.1.A-7, Reactor Protection Sys Water Level Switches 3-LIS-3-203 B & D Switch 1 Found Out of Tolerance.Caused by Setpoint Drift. Barton Model 288 Switches Recalibr & Functionally Tested | /01T-0:on 830207,while Performing SI 4.1.A-7, Reactor Protection Sys Water Level Switches 3-LIS-3-203 B & D Switch 1 Found Out of Tolerance.Caused by Setpoint Drift. Barton Model 288 Switches Recalibr & Functionally Tested | |
| 05000296/LER-1983-008, Forwards LER 83-008/01T-0 | Forwards LER 83-008/01T-0 | |
| 05000260/LER-1983-009-03, /03L-0:on 830319,HPCI Turbine Failed Due to Erratic Flow Controller.Caused by Trapped Air in Hydraulic Oil Control Sys Due to Maint Work | /03L-0:on 830319,HPCI Turbine Failed Due to Erratic Flow Controller.Caused by Trapped Air in Hydraulic Oil Control Sys Due to Maint Work | |
| 05000260/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000296/LER-1983-009-03, /03L-0:on 830209,sample Pump Found Inoperative During Reactor & Turbine Bldg Vent Monitor CAM 3-RM-90-250 Daily Source & Background Check.Caused by Blown Fuse.Faulty Allied RS5D Relay Caused Control Room Alarm Malfunction | /03L-0:on 830209,sample Pump Found Inoperative During Reactor & Turbine Bldg Vent Monitor CAM 3-RM-90-250 Daily Source & Background Check.Caused by Blown Fuse.Faulty Allied RS5D Relay Caused Control Room Alarm Malfunction | |
| 05000259/LER-1983-009-01, Design Review of Emergency Diesel Generator Engine Coolers Showed Coolers May Not Be Able to Maintain Cooling Water Below Hot Setpoint. Caused by Design Error.Setpoint Raised | Design Review of Emergency Diesel Generator Engine Coolers Showed Coolers May Not Be Able to Maintain Cooling Water Below Hot Setpoint. Caused by Design Error.Setpoint Raised | |
| 05000259/LER-1983-009, Forwards LER 83-009/01T-0 | Forwards LER 83-009/01T-0 | |
| 05000296/LER-1983-009, Forwards LER 83-009/03L-0 | Forwards LER 83-009/03L-0 | |
| 05000260/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000296/LER-1983-010-03, /03L-0:on 830209,main Steam Line Low Pressure Switch Found W/Low Setpoint.Caused by Instrument Drift. Switch 3-PS-1-76 Recalibr | /03L-0:on 830209,main Steam Line Low Pressure Switch Found W/Low Setpoint.Caused by Instrument Drift. Switch 3-PS-1-76 Recalibr | |
| 05000296/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000259/LER-1983-010, Forwards LER 83-010/03L-0 | Forwards LER 83-010/03L-0 | |
| 05000260/LER-1983-010-03, /03L-0:on 830322,CRD 10-39 Failed to Scram While Performing SI 4.3.C.Caused by Valve Stem Separating from Valve Seat in Valve 85-617 | /03L-0:on 830322,CRD 10-39 Failed to Scram While Performing SI 4.3.C.Caused by Valve Stem Separating from Valve Seat in Valve 85-617 | |
| 05000259/LER-1983-010-03, /03L-0:on 830224,while Performing SI 4.7.B-3, Standby Gas Treatment Train B Declared Inoperable Due to Failure to Meet Flow Distribution Requirements.Caused by Debris in HEPA Filters.Filters Replaced | /03L-0:on 830224,while Performing SI 4.7.B-3, Standby Gas Treatment Train B Declared Inoperable Due to Failure to Meet Flow Distribution Requirements.Caused by Debris in HEPA Filters.Filters Replaced | |
| 05000296/LER-1983-011, Forwards LER 83-011/03L-0 | Forwards LER 83-011/03L-0 | |