Pages that link to "05000029/LER-1979-023, Forwards LER 79-023/03L-0"
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The following pages link to 05000029/LER-1979-023, Forwards LER 79-023/03L-0:
Displayed 50 items.
- 05000029/LER-1979-010-04, /04X-0:on 790213,while Performing Insp on Air Sample Pump Station A-3,air Sample Pump Found Inoperative. Caused by Bearing Failure on Motor Shaft.Bearing Replaced (← links)
- 05000029/LER-1979-010, Forwards LER 79-010/04X-0 (← links)
- 05000029/LER-1979-014-03, /03L-0:on 790412,CA-V-688 Valve Failed Containment Leakage Rate.Caused by Crud on Valve Seating Surface.Valve Isolated,Cleaned,Retested & Returned to Svc (← links)
- 05000029/LER-1979-014, Forwards LER 79-014/03L-0 (← links)
- 05000029/LER-1979-012-03, /03L-0:on 790312,during Normal Operation & Monthly Surveillance,Relay TDC-2 Operated at 12.52-s.Caused by Sticky Relay Mounted as Integral Part of Time Delay Relay, Due to Dust Buildup.Relay Replaced (← links)
- 05000029/LER-1979-012, Forwards LER 79-012/03L-0 (← links)
- 05000029/LER-1979-013-03, /03L-0:on 790303,safety Injection Accumulator Nitrogen Pressure Increased to 15 Psig Due to Inadvertent ECCS Initiation.Cause Attributed to Wide Reset Action of Low Main Coolant Pressure Sensor.Sensor Reset (← links)
- 05000029/LER-1979-013, Forwards LER 79-013/03L-0 (← links)
- 05000029/LER-1979-011-03, /03L-0:on 790303,primary Vent Stack Opened While Increasing Coolant Temp During Normal Plant Startup.Caused by Water in Detector Housing.Corrected by air-drying Housing,Replacing Detector, & Heat Tracing Line (← links)
- 05000029/LER-1979-011, Forwards LER 79-011/03L-0 (← links)
- 05000029/LER-1979-008-03, /03L-0:on 790225,during Normal Startup After Maint Outage,While Withdrawing Control Rod Group A,Control Rod 2 Became Inoperable & Misaligned.Caused by Galling on Interface of Lift Latch Support Tube & Latch Guide Tube (← links)
- 05000029/LER-1979-008, Forwards LER 79-008/03L-0 (← links)
- 05000029/LER-1979-009-03, /03L-0:on 790226,while Preparing to Cool Down, Steam Dump Valve PC-V-102 Failed to Operate Per Tech Specs 3.6.2.Caused by Galling of Actuator Stem & Bushing.Actuator Refurbished,Tested & Returned to Svc (← links)
- 05000029/LER-1979-009, Forwards LER 79-009/03L-0 (← links)
- 05000029/LER-1979-021-02, /02X-0:on 790911,during Maint Outage to Inspect Feedwater Piping as Required by IE Bulletin 79-13,welds Were Found Which Did Not Meet Code.Caused by Welding Process at Time of Fabrication.Welds Repaired or Replaced (← links)
- ML19340E405 (← links)
- 05000029/LER-1979-005-03, /03L-0 on 790214:while Performing Type C Test of TV-408,svc Water Leakage from Isolation Valve Exceeded Tech Spec.Caused by Foreign Matl Under Masoneilan 4 Inch Valve Seat.Valve Seat Cleaned & Retested Satisfactorily (← links)
- 05000029/LER-1979-005, Forwards LER 79-005/03L-0 (← links)
- 05000029/LER-1979-004-03, /03L-0 on 790206:Rod 6 Position Indicating Lights at 84,87 & 90 Inches Were Not Lit.Caused by Loose & Dirty Terminal Contact Surfaces.Contact Surfaces Cleaned & Tightened (← links)
- 05000029/LER-1979-004, Forwards LER 79-004/03L-0 (← links)
- ML19296A884 (← links)
- ML19290D551 (← links)
- 05000029/LER-1979-006-99, /99T-0 on 790219:fire Pump Running Alarm Received in Control Room & Leak Discovered.Caused by Uneven External Force Applied on Pipe by Trench Fill.Crack Sealed Using Compression Patch,Pressure Tested & Backfilled (← links)
- 05000029/LER-1979-006, Forwards LER 79-006/99T-0 (← links)
- 05000029/LER-1979-002-03, /03L-0 on 790122:following Plant Trip,Control Room Operator Found Rod 22 Failed to Drop Into Core from 87 Inches on the Scram & All Rods in Group Were Not within Plus/Minus 8 Inches.Caused by Crud Buildup After Refueling (← links)
- 05000029/LER-1979-002, Forwards LER 79-002/03L-0 (← links)
- 05000029/LER-1979-003-03, /03L-0 on 790112:during Unscheduled Shutdown,Steam Generator Chloride Concentration Exceeded 0.5 Ppm Tech Spec Limit.Caused by Steam Generators Chemical Hideout (← links)
- 05000029/LER-1979-003, Forwards LER 79-003/03L-0 (← links)
- 05000029/LER-1979-031-03, /03L-0:on 791130,during Normal Mode 1 Operation, Steam Generator 3 Blowdown Monitor Isolated to Repair Leaking Valve.Caused by Leaking Monitor Isolation Valve. Monitor Replaced (← links)
- 05000029/LER-1979-031, Forwards LER 79-031/03L-0 (← links)
- 05000029/LER-1979-001-03, /03L-0 on 790103:during Normal Operation,Filter Alarm on Containment Main Coolant Sys Leakage Air Particulate Monitor Was Received.Caused by Running Out of Victoreen Type HV-70 Part 841-1-164 Filter Paper (← links)
- 05000029/LER-1979-001, Forwards LER 79-001/03L-0 (← links)
- 05000029/LER-1979-030-03, /03L-0:on 791109,during Safety Injection Accumulator Time Delay Verification Procedure OP-4630,TDC4 Setpoint Discovered to Be Beyond Tech Spec Limit.Cause Under Investigation.Temporarily Replaced Time Delay Relay (← links)
- 05000029/LER-1979-030, Forwards LER 79-030/03L-0 (← links)
- 05000029/LER-1979-029-03, /03L-0:on 791106,during Testing of post-accident Hydrogen Venting sys,HV-SOV-1 & 2 Failed to Seat Properly. Caused by Oil & Dirt Buildup on Valve Internals.Valves Cleaned,Inspected & Returned to Svc (← links)
- 05000029/LER-1979-029, Forwards LER 79-029/03L-0 (← links)
- 05000029/LER-1979-028-03, /03L-0:on 791105,timing Test Not Performed After Repair of Containment Isolation Valve.Caused by Personnel Error.Importance of Using Proper Procedures Pointed Out to Appropriate Personnel (← links)
- 05000029/LER-1979-028, Forwards LER 79-028/03L-0 (← links)
- 05000029/LER-1979-027-03, /03L-0:on 791105,during Plant Startup in Mode 3, post-accident Hydrogen Control Sys HV-SOV-1 & 2 Failed to Seat Properly.Caused by Oil & Dirt Buildup on Valve Internals.Valves Cleaned,Retested & Returned to Svc (← links)
- 05000029/LER-1979-027, Forwards LER 79-027/03L-0 (← links)
- 05000029/LER-1979-033-03, /03L-0:on 791231,during Normal Operation,While Performing Chemical Shutdown Sys Operability Check,Position Indication Light Indicated CS-MOV-529 Was Not Travelling in Either Direction.Caused by Tight Packaging & Boron Buildu (← links)
- 05000029/LER-1979-033, Forwards LER 79-033/03L-0 (← links)
- ML19256F667 (← links)
- 05000029/LER-1979-026-01, /01T-0:on 791026,computer Studies Revealed safety- Related Buses May Not Provide Required Voltage in Event of LOCA During Startup.Problem Exists When Main Generator Is Separated from Grid.Caused by Design Deficiency (← links)
- 05000029/LER-1979-026, Forwards LER 79-026/01T-0 (← links)
- 05000029/LER-1979-023-03, /03L-0:on 790930,480-volt Buses 4-1 & 5-2 Were de-energized.Caused by Need to Assure Personnel Safety While Installing Fire Barrier Foam (← links)
- ML19254E766 (redirect page) (← links)
- 05000029/LER-1979-023 (redirect page) (← links)
- 05000029/LER-1979-019-04, /04X-0:on 790801,direct External Radiation Monitor at Station 9 Was Missing.Cause Unknown.No Corrective Action Planned Other than Replacement of Missing Monitor (← links)
- 05000029/LER-1979-019, Forwards LER 79-019/04X-0 (← links)