Pages that link to "05000271/LER-1981-012, Forwards LER 81-012/03L-0"
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The following pages link to 05000271/LER-1981-012, Forwards LER 81-012/03L-0:
Displayed 50 items.
- ML20004E948 (redirect page) (← links)
- ML20004E949 (← links)
- 05000271/LER-1981-030, Updated LER 81-030/03L-1:cracks Found on Internal Surface of Valve Bodies & Seating Surfaces of Reactor Water Cleanup Valves Attributed to Surface Shrinking of Casting & Intergranular Stress Corrosion Cracking,Respectively (← links)
- BVY-98-161, Forwards Rev 2 to Vermont Operational QA Manual, for Review.Rev Updates Previous Exception to RG 01.026 by Adopting Specific Exception to Requirements of ANS-22 Criteria for Fuel Handling Equipment (← links)
- 05000271/LER-1981-026-03, /03L-0:on 811005,during Weekly Review of Surveillance Test Data,Discovered That Max Monthly Interval for Functional Test of Atws/Rpt Sys Exceeded by 4 Days. Caused by Oversight in Scheduling (← links)
- 05000271/LER-1981-026, Forwards LER 81-026/03L-0 (← links)
- 05000271/LER-1981-037-03, /03L-0:on 811227,while Attempting to Start RHRSW Pump P-8-1A,breaker Tripped Contrary to Tech Specs.Caused by Worn Bushings on Operating Mechanism.Circuit Breaker Replaced.Breaker Mfg by Ge,Model Am 4.16 250-8HB (← links)
- 05000271/LER-1981-037, Forwards LER 81-037/03L-0 (← links)
- 05000271/LER-1981-036-03, /03L-0:on 811217,containment Isolation Valve CU-15 Failed to Seat Satisfactorily Per Tech Spec 4.7.D.1 During Quarterly Surveillance Testing.Caused by Failure of Closing Torque Switch.Torque Switch Will Be Replaced Next Shut (← links)
- 05000271/LER-1981-036, Forwards LER 81-036/03L-0 (← links)
- 05000271/LER-1981-028-03, Updated 81-028/03X-1:on 811017,field Breaker Failed to Open, Effectively Disabling Rrmg Set Recirculation Pump Trip Instrumentation.Caused by Binding of Operating Mechanism.New Breaker Installed (← links)
- 05000271/LER-1981-028, Forwards Updated LER 81-028/03X-1 (← links)
- 05000271/LER-1981-035-03, /03L-0:on 811204,during Core Spray Valve Test, Breaker for V14-11A Tripped & Reactor Shutdown Commenced. Caused by Breaker Not Latching When Closed,Allowing Breaker to Trip Below Setpoint.Breaker Replaced (← links)
- 05000271/LER-1981-035, Forwards LER 81-035/03L-0 (← links)
- 05000271/LER-1981-016-03, Small Leak Found in Socket Weld Reducing Fitting in Vent Line of Regenerative Heat Exchanger E-15-1A.Caused by Intergranular Stress Corrosion Cracking Due to Wetting of Asbestos Insulation (← links)
- 05000271/LER-1981-016, Forwards Updated LER 81-016/03X-1 (← links)
- 05000271/LER-1981-034-03, /03L-0:on 811121,operating Cycle Test of Standby Gas Treatment HEPA Filters Found Not to Have Been Done Since Sept 1979.Caused by Failure to Include Test on Dept Surveillance List.Test Completed & Schedule Revised (← links)
- 05000271/LER-1981-034, Forwards LER 81-034/03L-0 (← links)
- 05000271/LER-1981-032-03, /03L-0:on 811120,valves RWCU 68 & 15 Found to Have Seat Leakages Exceeding Tech Spec Range.Cause Not Stated. Disc Replaced & Valves Satisfactorily Retested (← links)
- 05000271/LER-1981-032, Forwards LER 81-032/03L-0 (← links)
- 05000271/LER-1981-033-01, /01T-0:on 811125,reactor Bldg Roof Hatch Opened by Work Crew W/O Notice to Supervisor Until Fire Permit for Welding Requested.Caused by Personnel Error.Personnel Reinstructed Re Procedural Requirement (← links)
- 05000271/LER-1981-033, Forwards LER 81-033/01T-0 (← links)
- 05000271/LER-1981-027-03, MSIV-80C Failed to Close on Receipt of Group 1 Isolation Signal During Reactor Scram. Caused by Actuator Failure.Actuator Completely Overhauled & Guide Rods,Spring Plate & Bushings Replaced (← links)
- 05000271/LER-1981-027, Forwards Updated LER 81-027/03X-1 (← links)
- 05000271/LER-1981-031-03, /03L-0:on 811109,setpoint of Standby Liquid Control Relief Valve Found to Exceed Tech Specs Range.Caused by Setpoint Drift Apparently Due to Crystallization of Sodium Pentaborate on Disc/Seat Interface (← links)
- 05000271/LER-1981-031, Forwards LER 81-031/03L-0 (← links)
- 05000271/LER-1981-030-03, /03L-0:on 811104,cracks Found Near Seating Surfaces of Reactor Water Cleanup Valves V12-29A & B,V12-19A & B & V12-73A & B.Cause Unknown.Valves Replaced.Epri Will Analyze V12-29A & 73A (← links)
- 05000271/LER-1981-029-03, /03L-0:on 811018,during Two Rod Interlock Test, Rod Block Associated W/One Control Rod Withdrawal Permit Circuit Found Inoperable.Caused by False all-rods-in Signal to Reactor Manual Control Sys.Probe Replaced (← links)
- 05000271/LER-1981-029, Forwards LER 81-029/03L-0 (← links)
- 05000271/LER-1981-025-03, /03L-0:on 810928,containment Isolation Valve LRW-95 Failed to Close During Testing.Caused by Mechanical Binding of Valve Stem & Packing.Valve Stem Lubricated (← links)
- 05000271/LER-1981-025, Forwards LER 81-025/03L-0 (← links)
- 05000271/LER-1981-023-03, /03L-0:on 810829,loss of Power to RRU-4 Discovered Due to Tripped Breaker,Resulting in Complete Loss of Power to MCC-9D Which Rendered Inboard HPCI Isolation Valve V23-15 & RHR Svc Water Subsys Inoperable.Caused by Short Cir (← links)
- 05000271/LER-1981-023, Forwards LER 81-023/03L-0 (← links)
- 05000271/LER-1981-024-03, /03L-0:on 810819,during Monthly Surveillance Testing,Reactor Core Isolation Cooling Tripped Via Mechanical Overspeed.Caused by Failure of Egr.Egr Replaced (← links)
- 05000271/LER-1981-024, Forwards LER 81-024/03L-0 (← links)
- 05000271/LER-1981-019-03, /03L-0:on 810306,during Surveillance Testing of Standby Gas Treatment Charcoal Cells,Interfering Leak Found on Chromatogram.Cause Not Stated.Charcoal Replaced & Tested Satisfactorily (← links)
- 05000271/LER-1981-019, Forwards LER 81-019/03L-0 (← links)
- 05000271/LER-1981-022-03, /03L-0:on 810801,MSIV-80D Failed to Close When Control Switch Was Placed in Closed Position.Caused by Foreign Particle Lodged in Spool Valve,Preventing Air from Operating Main Piston.Msiv Fully Stroked (← links)
- 05000271/LER-1981-022, Forwards LER 81-022/03L-0 (← links)
- 05000271/LER-1981-021-03, /03L-0:on 810730,containment Isolation Valve V20-94 Failed to Close During Surveillance Testing.Possibly Caused by Normal Wear W/Accumulation of Minor Amounts of Dirt.Insp of Air Solenoid Valve Was Inconclusive (← links)
- 05000271/LER-1981-021, Forwards LER 81-021/03L-0 (← links)
- 05000271/LER-1981-020-03, /03L-0:on 810715,four Motor Mount Bolts on Limitorque Operator for Valve RHR-31B Found Sheared, Rendering Containment B Spray Subsystem Inoperable.Cause Unknown.Motor & Mounting Blocks Replaced (← links)
- 05000271/LER-1981-020, Forwards LER 81-020/03L-0 (← links)
- 05000271/LER-1981-018-03, /03L-0:on 810713,Core Spray Subsys a Was Inoperable.Caused by Operator Holding Control Switch Closed, Resulting in Reactor Trip & Inability of Core Spray Valve V14-11A to Be Opened from Control Room.Breaker Reset (← links)
- 05000271/LER-1981-018, Forwards LER 81-018/03L-0 (← links)
- 05000271/LER-1981-017-03, /03L-1:on 810629,containment Isolation Valve LRN-95 Failed to Close During Quarterly Surveillance.Caused by three-way Air Solenoid Failure to Exhaust Air Due to Dirt Plugging Port.Solenoid Was Cleaned,Tested & Returned to Sv (← links)
- 05000271/LER-1981-017, Forwards LER 81-017/03L-1 (← links)
- 05000271/LER-1981-007-03, /03L-0:on 810205,Torus-RB Vacuum Breaker Differential Pressure Indicating Switch 16-19-324,model 288, Actuated Above Tech Spec Limit.Caused by Setpoint Drift. Switch Exercised,Reset & Returned to Svc (← links)
- 05000271/LER-1981-007, Forwards LER 81-007/03L-0 (← links)
- 05000271/LER-1981-014-03, /03L-0:on 810518,diesel Generator a Shut Down During Monthly Surveillance Test.Caused by Substantial Coolant Leakage in Cylinder Cooling Water Jacket Outlet Due to Failed Gasket.Gasket Replaced (← links)
- 05000271/LER-1981-014, Forwards LER 81-014/03L-0 (← links)