| | | Reporting criterion |
|---|
| 05000263/LER-1983-001, Forwards LER 83-001/01T-0 | Forwards LER 83-001/01T-0 | |
| 05000263/LER-1983-005-03, /03L-0:on 830216,RHR Pump 14 Made Inoperable to Investigate Head Capacity Reduction.Caused by Mophead in Pump Suction,Probably Entering RHR Sys During Maint or Const Projects.Mophead Removed | /03L-0:on 830216,RHR Pump 14 Made Inoperable to Investigate Head Capacity Reduction.Caused by Mophead in Pump Suction,Probably Entering RHR Sys During Maint or Const Projects.Mophead Removed | |
| 05000263/LER-1983-005, Forwards LER 83-005/03L-0 | Forwards LER 83-005/03L-0 | |
| 05000263/LER-1983-006, Forwards LER 83-006/01T-0 | Forwards LER 83-006/01T-0 | |
| 05000263/LER-1983-006-01, /01T-0:on 830408,HPCI Woodward Governor Egr Hydraulic Actuator Coil Tailed.Caused by Lead Wire Insulation Degradation Allowing Ground Fault to Egr Housing. Egr Replaced.Hpci Satisfactorily Tested | /01T-0:on 830408,HPCI Woodward Governor Egr Hydraulic Actuator Coil Tailed.Caused by Lead Wire Insulation Degradation Allowing Ground Fault to Egr Housing. Egr Replaced.Hpci Satisfactorily Tested | |
| 05000263/LER-1983-010-03, /03L-0:on 830226,during Surveillance Testing, Outboard MSIV,AO-2-86B Closed Faster than Value Stated in Tech Spec Table 3.7.1.Caused by Oil Leak from Needle Valve Assembly on Bottom Dashpot Cylinder Head | /03L-0:on 830226,during Surveillance Testing, Outboard MSIV,AO-2-86B Closed Faster than Value Stated in Tech Spec Table 3.7.1.Caused by Oil Leak from Needle Valve Assembly on Bottom Dashpot Cylinder Head | |
| 05000263/LER-1983-011-03, /03L-0:on 830519,discovered Steam Leak on Reducer at Moisture Separator Drain D Valve CV-3134 to Heater 14B. Caused by Erosion of Carbon Steel Reducers by Steam at 380 F & 195 Psi.Stainless Steel Reducers Installed | /03L-0:on 830519,discovered Steam Leak on Reducer at Moisture Separator Drain D Valve CV-3134 to Heater 14B. Caused by Erosion of Carbon Steel Reducers by Steam at 380 F & 195 Psi.Stainless Steel Reducers Installed | |
| 05000263/LER-1983-012, /O3L-0:on 830519,mode Switch Scram Bypass Annunciator Came on Following Energization of Reactor Protection Logic.Caused by Relay Race.Relays Manually Actuated to Return to Normal Condition | /O3L-0:on 830519,mode Switch Scram Bypass Annunciator Came on Following Energization of Reactor Protection Logic.Caused by Relay Race.Relays Manually Actuated to Return to Normal Condition | |
| 05000263/LER-1983-013-03, /03L-0:on 830519,inboard MSIV AO-2-80D Closed Faster than Value Stated in Tech Spec Table 3.7.1.Caused by Leakage of Oil from Control Valve Housing to Body Threaded Connection.Housing Tightened | /03L-0:on 830519,inboard MSIV AO-2-80D Closed Faster than Value Stated in Tech Spec Table 3.7.1.Caused by Leakage of Oil from Control Valve Housing to Body Threaded Connection.Housing Tightened | |
| 05000263/LER-1983-014-01, /01T-0:on 830601,HPCI Isolated on High Steam Flow. Caused by Leakage of Inboard Injection Gate Valve,Causing Void in HPCI Injection Line.Procedure Changed to Operate W/Outboard Injection Valve Closed | /01T-0:on 830601,HPCI Isolated on High Steam Flow. Caused by Leakage of Inboard Injection Gate Valve,Causing Void in HPCI Injection Line.Procedure Changed to Operate W/Outboard Injection Valve Closed | |
| 05000263/LER-1983-015-01, /01T-0:on 830613,investigation of 250-volt Dc Battery Fault Revealed Grounded HPCI Woodward Governor EDR Hydraulic Actuator Coil.Caused by out-of-spec Nonhomogeneous Lube Oil.Lube Oil Replaced | /01T-0:on 830613,investigation of 250-volt Dc Battery Fault Revealed Grounded HPCI Woodward Governor EDR Hydraulic Actuator Coil.Caused by out-of-spec Nonhomogeneous Lube Oil.Lube Oil Replaced | |
| 05000263/LER-1983-018-03, /03L-0:on 830718,RHR Pump 11 Declared Inoperable Following Failure of Min Flow Valve CV1994 to Open as Required Due to Flow Switch Failure.Caused by Microswitch Contact Wear Due to flow-induced Vibration | /03L-0:on 830718,RHR Pump 11 Declared Inoperable Following Failure of Min Flow Valve CV1994 to Open as Required Due to Flow Switch Failure.Caused by Microswitch Contact Wear Due to flow-induced Vibration | |
| 05000263/LER-1983-019-01, /01T-0: on 830801,air Operated Reactor Bldg to Torus Vacuum Breaker AO-2380 Found Leaking in Excess of Tech Specs.Cause Unknown.Valve Placed on Accelerated Surveillance Program | /01T-0: on 830801,air Operated Reactor Bldg to Torus Vacuum Breaker AO-2380 Found Leaking in Excess of Tech Specs.Cause Unknown.Valve Placed on Accelerated Surveillance Program | |
| 05000263/LER-1983-020-03, /03L-0:on 830920,diesel Generator 11 Turbocharger Auxiliary Lube Oil Pump Motor Bearing Failed.Cause Not stated.Pump-motor Assembly Replaced | /03L-0:on 830920,diesel Generator 11 Turbocharger Auxiliary Lube Oil Pump Motor Bearing Failed.Cause Not stated.Pump-motor Assembly Replaced | |
| 05000263/LER-1983-021-03, /03L-0:on 831019,calibr of Safeguards Bus Degraded Voltage Relays Performed 8 Days Beyond Allowable Schedule Deviation.Caused by Scheduling Error.Personnel Instructed & Schedule Form Revised | /03L-0:on 831019,calibr of Safeguards Bus Degraded Voltage Relays Performed 8 Days Beyond Allowable Schedule Deviation.Caused by Scheduling Error.Personnel Instructed & Schedule Form Revised | |
| 05000263/LER-1983-022-01, /01T-0:on 831024,reactor Recirculation Motor Generator Set Drive Breaker Trip Coil Failed.Cause Unknown. Component Replaced | /01T-0:on 831024,reactor Recirculation Motor Generator Set Drive Breaker Trip Coil Failed.Cause Unknown. Component Replaced | |
| 05000263/LER-1983-023-03, /03L-0:on 831026,flow Through Train B Standby Gas Treatment Less than Tech Spec Requirement.Caused by Stack Exhaust Flow Incorrectly Adjusted.Stack Flow Corrected | /03L-0:on 831026,flow Through Train B Standby Gas Treatment Less than Tech Spec Requirement.Caused by Stack Exhaust Flow Incorrectly Adjusted.Stack Flow Corrected | |
| 05000263/LER-1983-024-03, /03L-0:on 831027,low Level Scram Switch Discovered Below Deviation Limit.Caused by Setpoint Drift.Switch Replaced & Surveillance Schedule Accelerated.Redundant Switches Tested Satisfactorily | /03L-0:on 831027,low Level Scram Switch Discovered Below Deviation Limit.Caused by Setpoint Drift.Switch Replaced & Surveillance Schedule Accelerated.Redundant Switches Tested Satisfactorily | |
| 05000263/LER-1983-025-03, /03L-0:on 831202,RHR Svc Water Sys Pump Declared Inoperable Due to Failure of Check Valve to Seat Properly. Caused by Excessive Disk Stud Thread Wear.Weld Matl Added to Stud & New Threads Machined for Nut | /03L-0:on 831202,RHR Svc Water Sys Pump Declared Inoperable Due to Failure of Check Valve to Seat Properly. Caused by Excessive Disk Stud Thread Wear.Weld Matl Added to Stud & New Threads Machined for Nut | |
| 05000263/LER-1983-026-03, /03L-0:on 831205,outboard Steam Isolation Valve MO-2076 Failed to Close.Caused by Loose Screw Bumping Lead, Causing Torque Switch in Limitorque Valve to Fail Open. Switch Replaced | /03L-0:on 831205,outboard Steam Isolation Valve MO-2076 Failed to Close.Caused by Loose Screw Bumping Lead, Causing Torque Switch in Limitorque Valve to Fail Open. Switch Replaced | |
