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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

• ML20023A400  +
• ENS 50341  +
• ML030800569  +
• L-02-071, May 2002 Monthly Operating Report for Beaver Valley Units 1 & 2  +
• ML20206E757  +
• ML20212H189  +
• 05000352/LER-1989-014, :on 890216,isolation of Refuel Floor Secondary Containment & Initiation of Standby Gas Treatment Sys,Esf Occurred.Caused by Boiler Malfunction.Auxiliary Operator at Auxiliary Boiler Encl Restored Three Boilers  +
• 05000324/LER-1988-011-01, :on 880725,RHR/primary Containment Isolation Inboard Isolation Valve E11-F009 Failed to Open.Caused by Failure of Electrical Contacts in Switch Number 1 to Close. Wiring Reconfigured to Utilize Spare Switch 2  +
• 05000423/LER-1987-004, :on 870127 Motor Driven Auxiliary Feedwater Pump Train a Tripped.Cause Not Determined.Train B Tripped on 870129 During Surveillance Testing.Caused by Low Suction Pressure Trips.Trip Function Removed  +
• 05000295/LER-1988-011-02, :on 880507,reactor Trip Occurred Due to lo-lo Level in Steam Generator 1B Due to Generator Excitation. Caused by Corrosion on Phase B in Primary Potential Transformer Resistors.Resistors Replaced  +
• 05000325/LER-1988-021-02, :on 880926,Group 6 Isolation Occurred Due to Actuation of Logic Circuitry of Auxiliary Trip Unit of Reactor Bldg Ventilation Exhaust Monitor.Technicians Checked Battery of Instrumentation & Control Group  +
• 05000219/LER-1988-017, :on 880822,three Control Rod Low Accumulator Pressure Alarms Present for More than 1 H.Caused by Operator Failing to Recharge Accumulators in Accordance W/Procedures. Accumulators Recharged & Operators Counseled  +
• 05000324/LER-1988-012, :on 880725,HPCI Declared Inoperable Due to Inability to Determine Environ Qualification of Electrical Termination/Splices of Auxiliary Oil Pump.Caused by Inadequate Workmanship When Splices Made  +
• 05000324/LER-1988-011-03, :on 880725,reactor RHR Shutdown Cooling Sys Primary Containment Isolation Sys Inboard Isolation Valve Would Not Open.Caused by Electrical Malfunction.Wiring of Instrument Reconfigured to Utilize Switch 2  +
• 05000286/LER-1989-013-01, :on 890702,contractor Security Guard Was Found Asleep at Duty Post.Caused by Cognitive Personnel Error. Contract Security Officer Involved in Event Was Dismissed. All Security Personnel Reapprised of Responsibilities  +
• 05000528/LER-1985-030, :on 850425,both ECCS Trains Declared Inoperable Due to Indeterminate Operability of Containment Recirculation Sump Isolation Check Valves.Caused by Failure to Retest Valves Following Disassembly  +
• 05000293/LER-1991-024, :on 911030,loss of Preferred & Secondary Offsite Power Occurred Due to Severe Coastal Storm While Shut Down.Caused by Flashover Switchyard Insulator. Westinghouse Type Relay 62/5 Will Be Replaced  +
• 05000346/LER-1982-047-03, /03L-0:on 820913 & 15 Containment Radiation Trip Occurred.Caused by Component Failure of Output Radiation Monitor RE-2004 on Safety Features Actuation Sys Channel 1. Operational Amplifier & Output Transistor Replaced  +
• 05000353/LER-1990-001, :on 900108,Tech Spec Violation & Reactor Encl Ventilation Isolation Occurred.Caused by Personnel Error. Chief Operator Counseled on Importance of Communicating All Pertinent Info  +
• 05000346/LER-1980-027-03, /03L-0:on 800331,operations Received Half Trip of Steam & Feedwater Rupture Control Sys 1/3.Caused by Failure of +15-volt Dc Power Supply in Steam Generator Level Instrumentation Cabinet 1.Power Supply Replaced  +
• 05000311/LER-1992-003-01, :on 920113,Units 1 & 2 CR Ventilation Automatically Switched from Normal to Accident Mode of Operation.Caused by Equipment Failure.Channel Controller, Scalar & Backplane Pins Were Cleaned  +
• ML17325A642  +
• 05000259/LER-2011-001, For Browns Ferry Nuclear Plant, Unit 1, Regarding Three-Unit Scram Caused by Loss of All 500-kV Offsite Power Sources  +
• 05000259/LER-2011-005, Regarding Reactor Water Level Scram Due to Distracted Operations Crew  +
• 05000334/LER-2003-001, From Beaver Valley, Unit No. 1 Regarding Safety Injection & Reactor Trip Due to Inadvertent Main Steam Isolation Valve Closure  +
• 05000259/LER-1999-001-01, :on 990115,inoperable CR Emergency Ventilation Sys During Post Maint Testing Was Noted.Caused by Failure of Procedure Writers & Reviewers.Returned a Crev to Operable State & Revised B Crev Train Procedures.With  +
• 05000498/LER-1997-012, :on 971110,reactor Trip Occurred Due to Overtemperature/Delta Temperature Actuation.Caused by Momentary Energization of Overspeed Protection Control Solenoid.Failed Solid State Relay in Circuitry Was Removed  +
• 05000397/LER-1989-001, :on 890112,discovered Four New Unanalyzed Failure Modes in Containment Nitrogen Inerting Sys.Caused by Inadequate Design Procedures.Design Change Initiated to Install low-temp Cutoff Device  +
• 05000333/LER-1994-009-01, :on 941129,partial Invalid Primary Containment Isolation as Result of Personnel Error During Electrical Bus Power Source Transfer.Operations Personnel Restored Sys to Normal in Accordance W/Plant Procedures  +