Pages that link to "05000277/LER-1980-026, Forwards LER 80-026/01T-0"
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The following pages link to 05000277/LER-1980-026, Forwards LER 80-026/01T-0:
Displayed 44 items.
- ML19345A907 (redirect page) (← links)
- ML19345A913 (← links)
- ML19345A908 (← links)
- 05000277/LER-1980-026-01, /01T-0:on 801105,HPCI Turbine Observed to Trip & Restart Several Times.Caused by Open Resistor in Power Supply to HPCI Turbine Electronic Governor Motor (Egm), Preventing Egm Controls from Receiving Correct Speed Signal (← links)
- 05000277/LER-1980-026, Forwards LER 80-026/01T-0 (← links)
- 05000277/LER-1980-026 (redirect page) (← links)
- 05000278/LER-1980-018-03, /03L-0:on 800802,during Surveillance Test on PCIS Normally Open Valves W/Unit at Full Power,Reactor Water Cleanup Sys Return Isolation Valve MO-3-12-68 Failed to Close Using Control Switch.Cause Not Determined (← links)
- 05000278/LER-1980-017-03, /03L-0:on 800802,during Surveillance Test on PCIS Normally Open Valves,Drywell 2-inch Valve AO-3509 Failed to Close.Caused by Tight Packing on Valve.Packing & Proper Operation Verified (← links)
- 05000277/LER-1980-031, Forwards LER 80-031/01T-0 (← links)
- 05000277/LER-1980-037-01, /01T-0:on 801230,during Subcritical Reactor Cooldown,Max Cooldown Rate Exceeded by 2 F.Caused by Operator Error.Allowable Cooldown Rate Established & Operator Counseled (← links)
- 05000277/LER-1980-037, Forwards LER 80-037/01T-0 (← links)
- 05000278/LER-1980-031-03, /03L-0:on 801218,reactor Core Isolation Cooling Inboard Steam Supply Isolation Valve Did Not Automatically Close.Caused by Valve Closing Torque Switch on Type Smb Limitorque Operator for Valve MO3-13-15 Being Open (← links)
- 05000277/LER-1980-032-03, /03L-0:on 801202,low Pressure Switch Ps 2-2-134C Setpoint Found Lower than Tech Spec Limits.Caused by Setpoint Drift of Barksdale Model B2T-A12SS Pressure Switch. Switch Recalibr,Tested & Returned to Svc (← links)
- 05000277/LER-1980-033-03, /03L-0:on 801209,reactor Water Cleanup Demineralizing Water Inlet Temp Setpoint Exceeded Tech Spec Limits.Caused by Setpoint Drift of Fenwal Model 56100-2 Temp Indicating Switch.Switch Recalibr,Tested & Returned to Svc (← links)
- 05000278/LER-1980-028-01, /01T-0:on 801203,HPCI Steam Supply Valve, MO-3-23-14,failed to Fully Close.Caused by HPCI Sys Being Inoperable for Valve Insp.Valve Reassembled & Tested (← links)
- 05000278/LER-1980-028, Forwards LER 80-028/01T-0 (← links)
- 05000277/LER-1980-023-03, /03L-0:on 801019,standby Gas Treatment Sys B Filter Assembly Inlet Isolation Valve AO-00476-01 Failed to Open.Caused by Ruptured Diaphragm.Valve Replaced & Proper Solenoid & Isolation Valve Operation Verified (← links)
- 05000277/LER-1980-020-01, /01T-0:on 800926,breaker Which Supplies Power to B Standby Liquid Control Sys Pump & B Squib Valve Found Open. Caused by Accidental Tripping of Pump Breaker.Breaker Switches of All Sblc Pumps Locked (← links)
- 05000277/LER-1980-022-03, /03L-0:on 801015,surveillance Testing of DPIS 2-14-43B,core Spray Sparger to Reactor Pressure Vessel delta-pressure Switch,Revealed Setpoint Was Below Tech Spec PSI Limit.Caused by Setpoint Drift.Instrument Recalibr (← links)
- 05000277/LER-1980-021-03, /03L-0:on 800924,ST Revealed That Indication for SV-2671A - G Control Switches Was Lost.Caused by Short in Coil of Dymo Type Solenoid Valve Which Blew Common Fuse in Control Circuit for All Seven Valves.Common Fuse Replaced (← links)
- 05000278/LER-1980-024-03, /03X-1:on 800911,flow Through Primary Containment Gas Sampler Stopped.Caused by Open Circuit in Sample Exhaust Pump Local Control Switch.Switch Replaced (← links)
- 05000278/LER-1980-025-03, /03L-0:on 800917,indication for SV-3978A - G Control Switches Was Lost.Caused by Short in Coil of Dymo Type Solenoid Valve Which Blew Common Fuse in Control Circuit for All Sevel Valves.Fuse Replaced (← links)
- 05000277/LER-1980-018-03, /03L-0:on 800918,HPCI Turbine Steam Line High Flow Trip Instrument Revealed That Setpoint Was 5 Inches Above Tech Spec Limit.Caused by Setpoint Drift of Instrument. Instrument Recalibr (← links)
- 05000278/LER-1980-023-03, /03L-0:on 800908,reactor Water Cleanup Demineralizer Water Inlet Temp Switch Did Not Actuate at 200 F.Caused by Setpoint Drift.Switch Recalibr & Satisfactorily Tested (← links)
- 05000277/LER-1980-016-03, /03L-0:on 800909,during Surveillance Testing W/Unit at Full Power,Eccs a Channel Logic Relay Failed to Function Properly W/Simulated Low Reactor Pressure.Caused by Dirty Contacts on GE Type Hfa Relay.Contacts Cleaned (← links)
- 05000277/LER-1980-015-03, /03L:on 800904,during Surveillance Test of Reactor Core Isolation Cooling Steam Line High Flow Switches, Outboard Steam Supply Isolation Valve Failed to Close.Caused by Limit Switch Malfunction.Switch Repaired (← links)
- 05000278/LER-1980-021-03, /03X-1:on 800818,during PCIS Logic Sys Functional Testing W/Plant Shutdown,Primary Containment Valve AO-3506 Failed to Close.Caused by Asco Model S56756 Solenoid Valve Stuck in Energized Position.Solenoid Valve Cleaned (← links)
- 05000278/LER-1980-020-03, /03L-0:on 800815,while Performing Leak Test, Containment Ventilation Valve AO-3521B Was Found Leaking Excessively.Caused by Valve T-ring Inflating Before Closure.Air Valves Adjusted & Valve Tested (← links)
- 05000277/LER-1980-013-03, /03L-0:on 800801,during Refueling Outage, Surveillance Leak Test Results Exceeded Tech Spec Limits Due to Leakage Failure of Eight Msivs.Caused by Improper Seat Contact Due to Damage to Seats,Plugs & Guides (← links)
- 05000277/LER-1980-014-04, /04T-0:on 800808,oil Sheen Observed on Conowingo Pond,Near Berm That Separates Pond from Cooling Towers. Caused by Oil Overflow Due to Incorrect Level Gauge Reading in Diesel Storage Tank a During Oil Delivery.Gauge Recalibr (← links)
- 05000278/LER-1980-011-03, /03L-0:on 800516,during Power Operation,Instrument Surveillance Test Revealed Setpoint for Pressure Switch 3-2-128B at 33 Psi Above Tech Spec.Caused by Barksdale Model PIH-M8555-V Pressure Switch Setpoint Drift (← links)
- 05000277/LER-1980-012-01, /01T-0:on 800721,during Operational Hydro,Scram Discharge Vol Vent & Drain Valves Failed to Operate. Investigation Indicated at Least One Vent & Drain Solenoid & Both Backup Scram Solenoids Failed (← links)
- 05000277/LER-1980-012, Forwards LER 80-012/01T-0 (← links)
- 05000278/LER-1980-016-01, /01T-0:on 800717,reanalysis by Bechtel of as-built Piping Determined That Stresses on Snubber 3-10-GB-S-44 Exceeded Operability Criteria.Caused by Inadequate Design Due to as-built Condition & Seismic Analysis Info Variance (← links)
- 05000278/LER-1980-016, Forwards LER 80-016/01T-0 (← links)
- 05000277/LER-1980-011-01, /01T-0:on 800714,during Training on Sys,Diesel Generator Cardox Sys Vapor Pilot Valve Found Closed. Cause Not Found.Valve Immediately Locked Open.Valve Also Added to Sys Checkoff & Locked Valve Lists (← links)
- 05000277/LER-1980-011, Forwards LER 80-011/01T-0 (← links)
- 05000277/LER-1980-009-01, /01T-0:on 800502,irradiated Fuel Bundle Moved in Spent Fuel Pool for Lead Test Assembly Insp.Caused by Procedure Deficiency Which Adequately Specified Conditions Under Which Penetration Boots Could Be Removed (← links)
- 05000277/LER-1980-009, Forwards LER 80-009/01T-0 (← links)
- 05000278/LER-1980-009-03, /03L-0:on 800414,during Normal Operation,Shift Personnel Verified Reported Leak at Suction Piping Header one-inch Drain Line Connection on D RHR Pump.Caused by Fatigue Failure of Pipe.Pump Suction Line Repaired (← links)
- 05000278/LER-1980-003-03, /03L-0:on 800303,while Performing Surveillance tests,MO-3-10-25A LPCI on A,Loop Failed to Open & RHR Pump Would Not Start.Caused by Galled Walworth 24-inch Gate, Pressure Seal Bonnet.Valve Repaired & Leak Tested (← links)
- 05000278/LER-1980-008-01, /01T-0:on 800305,while at power,E334 Load Ctr Was Shed Automatically Due to Loss of Site Startup Source,But Failed to Recover Automatically.Caused by Agastat Time Delay relay,Model7012PC,not Picking Up on Restoration (← links)
- 05000278/LER-1980-008, Forwards LER 80-008/01T-0 (← links)
- 05000278/LER-1980-014-03, /03L-0:on 800608,while Performing ST 6.9,valve Mo 3-10-26B Failed to Close After Stroked Open.Caused by Mechanical Problem in Valve.Mo 3-10-26B to Be Disassembled & Repaired (← links)
- 05000278/LER-1980-013-03, /03L-0:on 800605,during Surveillance Test,Pressure Switch Ps 3 5 12C Found 0.3 Psig Above Tech Spec Limit. Caused by Setpoint Drift.Switch Recalibr,Tested & Returned to Svc (← links)
- 05000277/LER-1980-010-01, /01T-0:on 800603,w/unit at Power,Leak Developed in A1 Section of Condenser.Caused by Lack of Proper Procedure During Shutdown Condition Allowing Hotwell Level to Rise. Condenser Tubes to Be Decontaminated (← links)
- 05000277/LER-1980-010, Forwards LER 80-010/01T-0 (← links)
- 05000278/LER-1980-006-03, /03L-0:on 800213,while at Power,Reactor Core Isolation Cooling Automatic Control from Control Room Found Inoperable.Caused by Logic Circuit Board Failure in Pump Discharge Flow Controller.Defective Controller Replaced (← links)