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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• ML17329A447  +
• ML080230511  +
• 05000272/LER-1991-001-02, :on 910111,containment purge/pressure-vacuum Relief Sys Isolation Signal Actuated.Caused by Equipment Failure.Channel Detector Connectors Checked & Returned to Svc  +
• ML18360A481  +
• ML19256F333  +
• ML19296D145  +
• ML20052G416  +
• ML20079D968  +
• ML20097A465  +
• ML20096E075  +
• ML20087A376  +
• ML20113J115  +
• ML20151D329  +
• ML20198M197  +
• ML20214V797  +
• 05000339/LER-1989-002-02, :on 890220,two Valves Which Isolate Flow from Discharge Header of Lhsi Pumps to Cold Legs of RCS Simultaneously Closed During Hydrostatic Tests.Caused by Need to Provide Overpressure Protection  +
• 05000374/LER-1987-014-04, :on 870623,reactor Scram Occurred Due to Main Turbine Stop Valve Fast Closure.Caused by Buildup of Sludge in Thrust Bearing Wear Detector.Post Trip Temps Acceptable & Detectors Cleaned,Inspected & Reassembled  +
• 05000413/LER-1997-010-02, :on 971229,reactor Trip Breakers Opened Due to Uncertainty of Rod Position.Caused by Failure of Detector/ Encoder Card in Data a Cabinet of Drpi Sys.Replaced Failed Detector/Encoder Card W/New Card  +
• 05000260/LER-1988-002-02, :on 880526 & 27,trip of Reactor Protection Sys Bus 2B Feeder Breaker Initiated Esf.Cause Undetermined. Breaker 952 Replaced W/Molded Case Switch  +
• 05000354/LER-1988-007-01, :on 880330,reactor Protection Sys Actuation Occurred.Caused by Workers Installing Design Change in Area Near Intermediate Range Monitor Preamplifier Cabinet.Warning Signs Posted  +
• 05000373/LER-1992-016-08, :on 921203,an Unplanned ESF Actuation Occurred During RPS Bus B Transfer Due to Personnel error.LAP-100-40 Will Be Evaluated to Enhance Proper Use of Procedure Format as Useful Tools to Avoid Mistakes  +
• 05000353/LER-1996-005-02, :on 960527,automatic Actuation of ESF Occurred. Caused by Burnt Circuit Board Trace on Relay Board.Radiation Monitor Satisfactorily Tested & Returned  +
• 05000244/LER-1985-001, :on 850116,series of Blown Fuses in Computer Resulted in Actuation of 90 Alarms on Computer Alarm Typewriter at Time I&C Technicians Removing & Restoring Foxboro Channels.Caused by Personnel Error  +
• 05000440/LER-1992-002, :on 920228,pre-modification Cable Installation Was Declared as Violation of Integrity of Control Room Envelope.Caused by Failure to Identify pre-modification Activity.Controls Will Be Implemented  +
• 05000397/LER-1984-052, :on 840528,control Room Emergency Filtration Unit Actuated Due to Spike on Outside Air Radiation Monitors.Caused by Closure of RCIC Valve.Alarm Reset & Noise Suppression Devices Installed  +
• 05000397/LER-1984-051, :on 840528,reactor Scrammed on Low Level.Caused by Operator Error.Condensate Filter Demineralizer Isolation Resulted in Loss of Main Feed Pumps.Reactor Scram Procedure Implemented  +
• 05000293/LER-1993-022, :on 930910,simultaneous Loss of Preferred Offsite Power & Automatic Scram Resulting from Load Rejection Occurred.Caused by Load Rejection.Switchyard Walked Down for Evidence of Damage  +
• 05000341/LER-1993-009, :on 930726,emergency Equipment Cooling Water Start During Svc Water Temperature Transient Due to Lack of Clear Labelling of Control Switch.Switch Labelled & Valve Deenergized to Prevent Unintentional Operation  +
• 05000339/LER-1993-003-02, :on 930424,manual Reactor Trip Initiated Due to Erratic Feedwater Flow Indications to SG C & Excessive Main Feedwater Regulating Valve Oscillations.Caused by Design Instabilities.Secondary Sys Secured  +
• 05000413/LER-1990-011, :on 900215,discovered That Control Room Doors Were More Difficult to Open than Normal.Ventilation Sys Found to Be Incapable of Maintaining Positive Pressure. Caused by Design Deficiency.Walls Sealed  +
• ML20036B253  +
• 05000334/LER-2014-002, Regarding Turbine Driven Auxiliary Feedwater Pump Governor Oscillations Result in Pump Trip  +
• 05000259/LER-2012-009, For Browns Ferry, Units 1, 2 and 3, Regarding 480 Volt Shutdown Board Breaker Actions in Safe Shutdown Instruction Procedures May Not Work as Written Due to Cable Fire Damage  +
• 05000461/LER-2011-008, Reactor Protection System Actuation and Loss of Shutdown Cooling  +
• 05000458/LER-1988-018, :on 880825,reactor Automatically Scrammed Due to Turbine Control Valve Fast Closure Caused by Loss of Main Generator Field Excitation Resulting in Automatic Main Generator & Turbine Trips  +
• 05000341/LER-1996-015, :on 961015,ESF Actuation of Division 2 EECW Occurred During Fill & Vent Evolution of Portion of Sys Located in Drywell Due to Personnel Error.Licensed & non-licensed Operators Were Trained  +