Pages that link to "05000331/LER-1981-014, Forwards Updated LER 81-014/01X-1"
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The following pages link to 05000331/LER-1981-014, Forwards Updated LER 81-014/01X-1:
Displayed 5 items.
- 05000331/LER-1981-014 (redirect page) (← links)
- ML20065A364 (redirect page) (← links)
- 05000331/LER-1981-014-01, Four Relief & Safety Valves Found Out of Spec.Cause Unknown.Relief Valve Pilot Assemblies Cleaned,Reworked & Satisfactorily Retested. Safety Valve Will Be Disassembled & Reworked (← links)
- 05000331/LER-1981-021-03, During Reactor Startup, Suppression Chamber to Drywell Vacuum Breaker Valve Cv 4237H Did Not Close After Torus Inerting.Caused by Pneumatic Cylinder Piston Sticking in mid-position (← links)
- 05000331/LER-1981-014, Forwards LER 81-014/01T-0 (redirect page) (← links)
- ML20003G190 (redirect page) (← links)
- ML112410931 (← links)
- 05000331/LER-1981-016, Updated LER 81-016/01T-1:on 810421,lower Crankshaft Thrust Bearing 13 & Adjacent Bearing 12 Found Wiped on Journal Surface.Caused by High Temp.Crankshaft Thrust Bearings Replaced & Crankshaft Relapped (← links)
- 05000331/LER-1981-015, Updated LER 81-015/01T-1:on 810421,lower Crankshaft 14 Bearing Found Wiped on Journal Surface Similar to Problem Identified on Diesel 1G-31.Caused by High Temp.Bearing Replaced & Crankshaft Relapped (← links)
- 05000331/LER-1981-014, Forwards Updated LER 81-014/01X-1 (← links)
- 05000331/LER-1981-021, Forwards Updated LER 81-021/03X-1 (← links)
- 05000331/LER-1981-014-01, Four Relief & Safety Valves Found Out of Spec.Cause Unknown.Relief Valve Pilot Assemblies Cleaned,Reworked & Satisfactorily Retested. Safety Valve Will Be Disassembled & Reworked (← links)
- 05000331/LER-1981-021-03, During Reactor Startup, Suppression Chamber to Drywell Vacuum Breaker Valve Cv 4237H Did Not Close After Torus Inerting.Caused by Pneumatic Cylinder Piston Sticking in mid-position (← links)
- 05000331/LER-1981-048-03, /03L-0:on 811223,pressure Differential Switch Which Controls Reactor Bldg to Suppression Chamber Vacuum Breaker Cv 4305 Tripped at Out of Tech Spec Value.Caused by Instrument Drift.Switch Recalibr & Functionally Tested (← links)
- 05000331/LER-1981-048, Forwards LER 81-048/03L-0 (← links)
- 05000331/LER-1981-049-03, /03L-0:on 811208,both Torus Level Indications Momentarily Out of Svc.Caused by Failure of Technicians to Obtain Shift Supervisor Authorization Prior to Starting Calibr Test.Instrument Calibr & Employee to Be Disciplined (← links)
- 05000331/LER-1981-049, Forwards LER 81-049/03L-0 (← links)
- 05000331/LER-1981-046-03, /03L-0:on 811201,control Bldg Ventilation Sys Exhaust Isolation Damper Failed to Close Rendering a Control Room Standby Filter Unit Inoperable.Caused by Misalignment of Damper Operator.Repair Procedure to Be Corrected (← links)
- 05000331/LER-1981-046, Forwards LER 81-046/03L-0 (← links)
- 05000331/LER-1981-044-03, /03L-0:on 811124,secondary Containment Isolation Damper on Air Ejector Room Exhaust Duct to Offgas Stack Failed to Close Completely When Operating Air Secured to Protect Damper.Cause Unknown.Investigation Continuing (← links)
- 05000331/LER-1981-044, Forwards LER 81-044/03L-0 (← links)
- 05000331/LER-1981-045-03, /03L-0:on 811124,control Bldg Ventilation Sys Exhaust Damper Failed to Close,Rendering a Control Room Standby Filter Unit Inoperable.Caused by Misalignment Between Do & Damper Shafts Due to Repair Procedure Defect (← links)
- 05000331/LER-1981-045, Forwards LER 81-045/03L-0 (← links)
- 05000331/LER-1981-047-03, /03L-0:on 811204,high Drywell Pressure Switch PS-4311B Trip Setpoint Found to Be Out of Tolerance.Caused by Instrument Drift.Switch Recalibr (Static-O-Ring Model 12N-AA5) (← links)
- 05000331/LER-1981-047, Forwards LER 81-047/03L-0 (← links)
- 05000331/LER-1981-043-01, /01T-0:on 811208,negative 24-volt de-charger Was Putting Out Only 21 Volts.Cause Undetermined.During Trouble Shooting,Charger Resumed Normal Output (← links)
- 05000331/LER-1981-043, Forwards LER 81-043/01T-0 (← links)
- 05000331/LER-1981-042-03, /03L-0:on 811114,no Full Out or Position 48 Indication Received for CRD 26-15.During Withdrawal,Rod Overtravel Alarm Received.Probably Caused by Improperly Engaged Inner Filter in Crd.Crd Repositioned (← links)
- 05000331/LER-1981-042, Forwards LER 81-042/03L-0 (← links)
- 05000331/LER-1981-040-01, /01T:on 811118,personnel Attempted to Cycle Reactor Water Cleanup Sys Return Isolation Valve MOV-2740 But No Flow Change Occurred.Caused by Loose Valve Stem Clamp Set Screw & Clamp Screw Dropping Out (← links)
- 05000331/LER-1981-040, Forwards LER 81-040/01T-0 (← links)
- 05000331/LER-1981-041-03, /03L-0:on 811106,during Normal Operation,Pinhole Leak Discovered in Reactor Water Cleanup Sys.Caused by Intergranular Stress Corrosion Cracking.Pipe Section Replaced W/Piping of Lower Carbon Content (← links)
- 05000331/LER-1981-041, Forwards LER 81-041/03L-0 (← links)
- 05000331/LER-1981-039-01, /01T-0:on 811117,instrument Line Drain Valve V-18-20 for B Scram Instrument Vol Level Switch LS-1861 Found Locked Open.Caused by Personnel Error During Monthly Surveillance Test.Valve Locked Closed (← links)
- 05000331/LER-1981-039, Forwards LER 81-039/01T-0 (← links)
- 05000331/LER-1981-038-03, /03L-0:on 811030,following Reactor Startup,Drywell Oxygen Concentration Not Reduced to Less than 4% within 24-h of Mode Switch Being Placed in Run.Caused by Inoperable Auxiliary Boiler Feed Pumps (← links)
- 05000331/LER-1981-038, Forwards LER 81-038/03L-0 (← links)
- 05000331/LER-1981-037-01, /01T-0:on 811017,during Valve Lineup Check,Main Steam Line Leakage Control Sys D Manual Valve V-84-16 Was Found Closed.Caused by Valving Error Due to Poor Lighting & Accessibility & Lack of Valve Labels.Lineup Performed (← links)
- 05000331/LER-1981-037, Forwards LER 81-037/01T-0 (← links)
- 05000331/LER-1981-036-03, /03L-0:on 810921,RHR Svc Water Sys Pump 1P-22C Would Not Develop Required Discharge Pressure at Rated Flow. Caused by Excessive Clearances Developing Between Pump Impeller & Casing Wear Rings.Pumps Adjusted (← links)
- 05000331/LER-1981-036, Forwards LER 81-036/03L-0 (← links)
- 05000331/LER-1981-035-03, /03L-0:on 810906,during Daily Surveillance Testing,Drywell Oxygen Concentration Found Exceeding Limit. Caused by Personnel Error & Unreliable Instrumentation. Drywell Inerting Begun (← links)
- 05000331/LER-1981-035, Forwards LER 81-035/03L-0 (← links)
- 05000331/LER-1981-034-01, /01T-0:on 810915,HPCI Inboard Steam Supply Isolation Valve MOV 2238 Closed.Caused by Personnel Error Due to Incorrectly Placed Test Jumper.Valve Closure Annunciated & Immediate Action Taken to Restore Sys (← links)
- 05000331/LER-1981-034, Forwards LER 81-034/01T-0 (← links)
- 05000331/LER-1981-031-03, /03L-0:on 810820,reactor Core Isolation Cooling Suppression Pool Area Steam Leak Detection Temp Differential Switch TDS-2521C Found Tripping at Value Exceeding Tech Spec Limit.Caused by Instrument Drift.Switch Recalibr & Tes (← links)
- 05000331/LER-1981-031, Forwards LER 81-031/03L-0 (← links)
- 05000331/LER-1981-032-03, /03L-0:on 810812,containment Atmosphere Monitoring Sys a & B Found to Be Operating W/O Reselection of Sample Points,Resulting in Containment Atmosphere Not Being Monitored.Caused by Personnel Error.Design Review Initiated (← links)
- 05000331/LER-1981-032, Forwards LER 81-032/03L-0 (← links)
- 05000331/LER-1981-033-03, /03L-0:on 810817,reactor Core Isolation Cooling Sys Declared Inoperable to Replace Motor Operated Full Flow Test Valve MOV-2515.Caused by Pinhole Leak in Valve Body. Valve Hydrostatically Tested (← links)
- 05000331/LER-1981-033, Forwards LER 81-033/03L-0 (← links)
- 05000331/LER-1981-030-03, /03L-0:on 810701,torus Atmosphere Sampling Line Isolation Valve SV-8108A Would Not Close During Testing. Caused by Rust in Mechanical Portion of Solenoid,Impeding Proper Operation.Solenoid Dismantled & Cleaned (← links)
- 05000331/LER-1981-030, Forwards LER 81-030/03L-0 (← links)
- 05000331/LER-1981-029-03, /03L-0:on 810701,during Testing,Containment Atmosphere Monitoring Sys (Cams) a Found to Be Operating W/O Sample Point Having Been Reselected.Cams B Inoperable Due to Testing.Caused by Personnel Error (← links)
- 05000331/LER-1981-029, Forwards LER 81-029/03L-0 (← links)
- 05000331/LER-1981-028-03, /03L-0:on 810703,during Control Room Panel Check, HPCI Pump Discharge Flow Indicating Controller FIC-2309 Found Indicating Low.Caused by Erroneous Indication of HPCI Flow Rate Due to Air Lock in HPCI Flow Indication Lines (← links)
- 05000331/LER-1981-028, Forwards LER 81-028/03L-0 (← links)
- 05000331/LER-1981-027-03, /03L-0:on 810620,radiation Monitor RM-4101A Failed Upscale.Caused by Component Failure.Equipment Drawer Replaced (← links)
- 05000331/LER-1981-027, Forwards LER 81-027/03L-0 (← links)
- 05000331/LER-1981-026-03, /03L-0:on 810615,containment Atmosphere Monitoring Sys B Was Found Operating W/O Sample Point Selected.Caused by Personnel Error.Particulate Radiation Element Replaced (← links)
- 05000331/LER-1981-025-03, /03L-0:on 810616,RHR B Svc Water Pump Did Not Develop Required Discharge Pressure at Rated Flow.Caused by Normal Wear Creating Excessive Clearances Between Impeller & Casing Rings.Impellers Adjusted (← links)
- 05000331/LER-1981-025, Forwards LER 81-025/03L-0 (← links)
- 05000331/LER-1981-024-03, /03L-0:on 810616,drywell Equipment Drain Line Valve CV-3729 Did Not Give Fully Closed Indication During Testing.Caused by Seat Leakage in Solenoid Valve SV-3729. Solenoid Valve Replaced (← links)
- 05000331/LER-1981-024, Forwards LER 81-024/03L-0 (← links)
- 05000331/LER-1981-023-03, /03L-0:on 810611,during Surveillance Testing, Reactor Core Isolation Cooling Steam Line High Flow Pressure Differential Switch Pdis 2442,tripped at 100 Inches of Water.Caused by Instrument Drift.Switch Recalibr (← links)
- 05000331/LER-1981-023, Forwards LER 81-023/03L-0 (← links)
- 05000331/LER-1981-022-03, /03L-0:on 810607,during Testing,Reactor Core Isolation Cooling Turbine Repeatedly Tripped on Overspeed on Fast Starts.Caused by Upward Drift of Flow Controller FIC-2509 High Limit Setpoint.Setpoint Recalibr (← links)
- 05000331/LER-1981-022, Forwards LER 81-022/03L-0 (← links)
- 05000331/LER-1981-020-01, /01T-0:on 810527,primary Containment Integrity Breached When Inner & Outer Airlock Doors Were Open Simultaneously While H/P Technician Exited Drywell.Cause Unknown (← links)
- 05000331/LER-1981-020, Forwards LER 81-020/01T-0 (← links)
- 05000331/LER-1981-019-01, /01T-0:on 810526,found Tech Spec Surveillance Requirements for Determining River Water Supply Sys Pump TDH Not Being Met.Caused by Limits on Nameplate Data Being Too Stringent for Normal Operation (← links)
- 05000331/LER-1981-003, Forwards LER 81-003/03L-0 (← links)
- 05000331/LER-1981-013, Forwards LER 81-013/01T-0 (← links)
- 05000331/LER-1981-010, Forwards LER 81-010/03L-0 (← links)
- 05000331/LER-1981-011, Forwards LER 81-011/03L-0 (← links)
- 05000331/LER-1981-012, Forwards LER 81-012/01T-0 (← links)
- 05000331/LER-1981-007, Forwards LER 81-007/03L-0 (← links)
- 05000331/LER-1981-008, Forwards LER 81-008/03L-0 (← links)
- 05000331/LER-1981-004, Forwards LER 81-004/03L-0 (← links)
- 05000331/LER-1981-002, Forwards LER 81-002/03L-0 (← links)
- 05000331/LER-1981-011-03, /03L-0:on 810310,condensate Storage Tank a Low Level Switch LS 5218 Was Found Inoperable.Caused by Moisture on Probe Leads within Terminal Box.Moisture Removed.Switches Will Be Rewired (← links)
- 05000331/LER-1981-012-01, /01T-0:on 810321,pump Discharge Valve MOV 4628 Would Not Close W/Control Room Switch.Probably Caused by Burned Contacts at Motor Control Center.Contacts Replaced (← links)
- 05000331/LER-1981-013-01, /01T-0:on 810324,MSIVs 4412,4413,4416,4418,4419, 4420 & 4421 Found W/Seat Leakage on Inboard & Combined Seat & Steam Leakage on Outboard Valves.Cause Under Investigation.Valves Will Be Repacked & Repaired (← links)
- 05000331/LER-1981-010-03, /03L-0:on 810224,fan for Standby Filter Unit B Found Not Running During Operational Test.Caused by Personnel Error in Opening Breaker for Control Bldg Emergency Air Supply Fan.Personnel Reinstructed (← links)
- 05000331/LER-1981-007-03, /03L-0:on 810219,during Normal Operation,Pressure Differential Across RHR Svc Water Strainer 1S-90B Read High, Resulting in Loop B Inoperability.Caused by Sand Plugged in Strainer Mesh.Strainer Cleaned (← links)
- 05000331/LER-1981-008-03, /03L-0:on 810212,during Preventive Maint, Recirculation Pump B Tripped Upon Restart,Recirculation Pump Motor Hi/Lo Oil Level Alarm Activated & Would Not Clear.Caused by Lack of Oil in Recirculation Pump Motor B (← links)
- 05000331/LER-1981-003-03, /03L-0:on 810108,drywell Particulate Radiation Element Re 8101B Found Inoperable.Caused by Sensor Failure Due to Condensation on Particulate Detector.New Radiation Element,Mylar Window & Beta Phosphor Installed (← links)
- 05000331/LER-1981-004-03, /03L-0:on 810111,drywell Particulate Radiation Monitor B Failed Downscale.Caused by Condensate on NMC Model RAK-221F Radiation Element Re 8101B.Design Review Initiated & Particulate & Iodine Filters Examined Daily (← links)
- 05000331/LER-1981-002-03, /03L-0:on 810106,temp Switch Tis 4477,zone 2, Tripped Outside Tech Spec.Caused by Instrument Drift.Switch Recalibr (← links)
- ML20003G190 (redirect page) (← links)