Pages that link to "05000278/LER-1983-006, Forwards LER 83-006/01T-0.Detailed Event Analysis Submitted"
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The following pages link to 05000278/LER-1983-006, Forwards LER 83-006/01T-0.Detailed Event Analysis Submitted:
Displayed 50 items.
- 05000278/LER-1983-002, Forwards LER 83-002/01T-0.Detailed Event Analysis Submitted (← links)
- ML20065A618 (redirect page) (← links)
- 05000278/LER-1983-006 (redirect page) (← links)
- 05000278/LER-1983-011, Forwards LER 83-011/01T-0.Detailed Event Analysis Submitted (← links)
- 05000278/LER-1983-008, Followup LER 83-008/01X-1:on 830214,during Refueling Outage, Surveillance Testing Indicated Combined Leakage for Listed Valves Exceeded Limits or Failed to Meet Requirements.Caused by Seat Surface Degradation (← links)
- 05000278/LER-1983-012, Forwards LER 83-012/-01T-0.Detailed Event Analysis Encl (← links)
- 05000277/LER-1983-006, Forwards LER 83-006/01T-0.Detailed Event Analysis Submitted (← links)
- 05000278/LER-1983-005, Forwards LER 83-005/01T-0.Detailed Event Analysis Submitted (← links)
- 05000278/LER-1983-007, Forwards LER 83-007/01T-0.Detailed Event Analysis Submitted (← links)
- 05000277/LER-1983-025-03, /03L-0:on 831229,outboard MSIV AO-2-2-86B Fast Closure Time Was 5.5 S.Caused by Insufficient Flow Through Fast Closure Needle Valve on Oil Dashpot.Valve Readjusted & Retested (← links)
- 05000277/LER-1983-026-03, /03L-0:on 831205,during Startup,Moisture Monitoring Sys Failed While Undergoing Surveillance Testing. Caused by Improperly Positioned Potter & Brumfield Relay Model R10-EL-W2-V700.Relay Readjusted (← links)
- 05000277/LER-1983-023-01, /01X-1:on 831108,combined Leakage for Type B & C Tests Exceeded 10CFR50,App J Limit & Containment Isolation Valves MO-2-74 & MO-23-57 Failed Local Leak Rate Test. Caused by Normal Wear of Valve Internals (← links)
- 05000278/LER-1983-013-03, /03L-0:on 830926,suction Valve 14-70 on Torus Dewatering Pump Declared Inoperable & Valve 14-71 Closed. Caused by Defective Thermal Overload Switch.Switch Replaced (← links)
- 05000277/LER-1983-004-03, /03L-0:on 830424,refueling Floor Ventilation Radiation Monitor RE2-17-432D Experienced Downscale Spike. Caused by Defective Gieger/Mueller Tube.Tube Replaced & Faulty Connector Rebuilt (← links)
- 05000278/LER-1983-021-03, /03L-0:on 831203,moisture Monitoring Sys Indicated Moisture Alarm & Trouble Alarm at Weld 2-AHH-2 on 12-inch Recirculation Piping Loop A.Caused by Logic Board Misinterpretation of Sensor Output (← links)
- 05000278/LER-1983-019-03, /03L-0:on 831031,core Spray Pump Room D Cooling Fans H & G Failed to Automatically Start.Caused by Blown 6-amp Fuse within Auxiliary Control Circuitry.Fuse Replaced (← links)
- 05000278/LER-1983-015-03, /03L-0:on 831013,during HPCI Sys Testing,Both HPCI Turbine Exhaust Rupture Discs Failed Due to High Pressure.Hpci Declared Inoperable.Caused by Water in Exhaust Line During Turbine Start.Disc Replaced (← links)
- 05000278/LER-1983-017-03, /03L-0:on 831020,during post-refueling Outage Startup,W/Unit at Low Power,Offgas Radiation Monitoring Sys Found Inoperable.Caused by Condensation in Offgas Sample Lines.Water Withdrawn from Sample Lines (← links)
- 05000278/LER-1983-016-03, /03L-0:on 831017,during Startup,Moisture Sensor in Moisture Monitoring Sys Failed.Caused by Defective Techmark Ltd Sensor.Sensor Will Be Replaced (← links)
- 05000278/LER-1983-014-03, /03L-0:on 831004,while Shutdown W/Reactor Mode Switch in Refuel Position,Second Control Rod Could Be Selected When Control Rod 02-35 Selected.Caused by Open Diode on GE Relay Card.Diode Replaced (← links)
- 05000277/LER-1983-024-01, /01T-0:on 831024,during Audit of Certain Radiographs of Class I Piping,Three Radiographs Read Improperly.Caused by Personnel Error.All Radiographs Reviewed (← links)
- 05000277/LER-1983-022-03, /03L-0:on 830907,recirculation Motor Generator Set Room & Recirculation Motor Generator Set Lube Oil Pump Room Sprinkler Sys Did Not Automatically Actuate.Caused by Coil Failure.Proper Dc Coils Installed (← links)
- 05000277/LER-1983-021-03, /03L-0:on 830907,during Surveillance Testing of Diesel Generator E-3,operators Noted That Output Power Swinging & Exhaust Temp High.Caused by Failed Elliott Turbocharger & Excess Fuel Igniting Exhaust (← links)
- 05000278/LER-1983-022-03, /03L-0:on 831207,4 Kv Emergency Bus Undervoltage Relay IVA-127 Failed to Operate.Caused by Binding of Relay Rotating Disk Due to Dust Buildup.Relays Cleaned,Tested & Returned to Svc (← links)
- 05000277/LER-1983-027-03, /03L-0:on 831215,main Steam Line Temp Element TE-4913D Found to Read Low.Caused by Temp Element Out of Duct W/Retaining Bracket Bent & One Mounting Screw Broken. Temp Element Reinstalled (← links)
- 05000278/LER-1983-023-03, /03L-0:on 831213,while Performing Routine Surveillance Test,Torus narrow-range Level Indicator Found Out of Calibr.Level Indicator Replaced,Calibr & Returned to Svc on 831216 (← links)
- 05000277/LER-1983-028-03, /03L-0:on 831223,while Performing Surveillance Testing,Hpsw Pump 2B Declared Inoperable Due to Low Flow. Caused by Internal Wear to Valve Disc Pin & Arm.Parts Replaced (← links)
- 05000278/LER-1983-020-03, /03L-0:on 831123,discovered RCIC Turbine Steam Supply Low Pressure Isolation Switch Out of Calibr.Caused by Setpoint Drift.Instrument Recalibr & Returned to Svc (← links)
- 05000278/LER-1983-024-03, /03L-0:on 831219,moisture Sensor in Moisture Monitoring Sys Failed.Caused by Defective Techmark Limited Sensor.Inoperable Sensor Will Be Replaced During Next Scheduled or Forced Outage (← links)
- 05000278/LER-1983-011-01, /01T-0:on 830407,loss of Control Rod Position Indication Occurred from Control Rods 22-47,58-31 & 54-15. Caused by Improper Use of Jumper Procedure on 830311,26 & 0402.Jumpers Removed.Jumper Procedure Suspended (← links)
- 05000277/LER-1983-014-03, /03L-0:on 830812,control Room Fire Barrier Discovered W/O Fire Damper in One Ventilation Duct Penetration.Caused by Damper Not Incorporated Into Original Ventilation Sys Installation.New Damper on Order (← links)
- 05000278/LER-1983-009-01, /01T-0:on 830908,during Surveillance Testing W/One Diesel Generator Inoperable,Breaker Between Diesel Generator E-1 & Emergency Bus E-13 Failed to Close Manually.Cause Unknown.Breaker Tested Successfully (← links)
- 05000277/LER-1983-020-03, /03L-0:on 830629,during Visual Investigation of Penetration Fire Barriers,Inadequacies Found in Penetration Seals in Control Room.Caused by Const or Design Error. Temporary Sealing Followed by Seal Upgrade in Progress (← links)
- 05000277/LER-1983-016-03, Isolation Valve SV2671C in One Sample Line to Drywell Oxygen Analyzers Failed to Fully Close.Caused by Bent Stem in Isolation Valve.Valve Disassembled & Damaged Parts Replaced (← links)
- 05000277/LER-1983-017-03, /03L-0:on 830620,offsite Electrical Source Taken Out of Svc Due to Defective Transformer Relief Device.Relief Device Replaced & Electrical Sys Returned to Normal Configuration (← links)
- 05000277/LER-1983-018-03, /03L-0:on 830624,while Performing HPCI Sys Logic Functional Surveillance Test,Hpci Turbine Control Valve Failed to Open.Caused by Burned Out Dropping Resistor in Power Supply to Woodward Emergency Generator Motor (← links)
- 05000277/LER-1983-019-03, /03L-0:on 830626,during Surveillance Testing, Standby Gas Treatment Filter Train Outlet Valve AO-20475-2 Failed to Open.Caused by Binding in Solenoid Valve Mfg by Asco.Solenoid Replaced & Valve Returned to Svc (← links)
- 05000277/LER-1983-015-03, /03L-0:on 830611,while Performing Surveillance Test,Reactor Water Cleanup Inboard Isolation Valve MO-2-12-15 Failed to Close.Caused by Open Auxiliary Contact in Motor Control Ctr,Preventing Close Signal.Contact Freed (← links)
- 05000277/LER-1983-013-03, /03L-0:on 830503,fluctuating Readings Observed on Iodine Monitor & Downscale Reading Found on Gas Monitor. Caused by Poor Connections in Drywell Air Sampling Radiation Detector Circuitry Due to Oxidation Buildup on Connector (← links)
- 05000278/LER-1983-012-01, /01T-0:on 830425,during Refueling Outage,While Performing Nde,Intergranular Stress Corrosion Cracking Indications Found in Heat Affected Zone of 12 Welds.Caused by Stress Corrosion.Weld Insp Increased (← links)
- 05000277/LER-1983-008-03, /03L-0:on 830407,HPCI High Steam Flow Isolation Switch DPIS-2-23-77 Setpoint Found Above Tech Spec Limit. Caused by Setpoint Drift of Barton Model 288.Instrument Recalibr,Tested & Returned to Svc (← links)
- 05000277/LER-1983-009-03, /03L-0:on 830324,during Surveillance Testing,Smoke Detector in Drywell Failed to Provide Audible Alarm Code or Annunciate in Control Room.Caused by Defective Detector Circuit Board.Board Replaced,Tested & Returned to Svc (← links)
- 05000277/LER-1983-007-03, /03L-0:on 830404,narrow Range Torus Level Transmitter Lt 8027A Determined to Be Out of Calibr.Caused by Instrument Drift.Instrument Recalibr & Returned to Svc (← links)
- 05000277/LER-1983-005-03, /03L-0:on 830313,low Flow Alarm on Plant Stack Radiation Monitor Annunciated.Caused by Broken Pump Drive Belt.Belt Replaced (← links)
- 05000277/LER-1983-006-01, /01T-0:on 830323,investigation of Spike on Torus Level Recorder Determined That Test Apparatus Left in Svc from 830320 W/Instrument Drain Valve Left Open Providing Potential Containment Leak Path.Caused by Personnel Error (← links)
- 05000278/LER-1983-005-01, /01T-0:on 830312,refueling Bridge Interlock Inoperable.Caused by out-of-adjustment Interlock Switch. Switch Adjusted (← links)
- 05000278/LER-1983-010-03, /03L-0:on 830222,during Refueling Outage,Testing of Recently Installed Fire Detection Sys Mod Revealed Previously Undetected Wiring Errors Between Two Sets of Two Annunciator Circuits.Caused by Wiring Error (← links)
- 05000277/LER-1983-012-01, /01P:on 830511,insp of Fire Barrier Penetrations Revealed Inadequacies in Penetration Seals.Caused by Const or Design Error & Inadequate Initial Insp.Fire Watches Posted & Addl Insps Initiated (← links)
- 05000278/LER-1983-003-03, /03L-0:on 830127,HEA Relay on Emergency Safeguard Bus E23 Tripped Normal Supply & Locked Out Backup & Diesel Supplies.Caused by Operation of Relay on Bus E23.Activating Devices May Be Defective & Will Be Bench Tested (← links)
- 05000278/LER-1983-008-01, /01T-0:on 830214,inboard Main Steam Drain Valve MO-2-74 & Inboard MSIVs 80:A,C & D Failed to Meet Tech Spec Leak Test Limits.Cause Not Known.Failed Valves Scheduled for maint.Thirty-day Followup Rept to Be Submitted After Ma (← links)