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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

• IR 05000440/2012005  +
• ML18153D020  +
• ML20053C922  +
• L-04-096, June 2004 Monthly Operating Report for Beaver Valley Power Station, Units 1 & 2  +
• L-04-079, May 2004 Monthly Operating Report for Beaver Valley Power Station  +
• ML030230713  +
• ML20081B278  +
• ML20100R429  +
• ML20133G529  +
• ML20117M179  +
• ML20198M197  +
• ML20198B325  +
• ML20203P588  +
• ML20203F823  +
• ML20065T245  +
• U-601459, Forwards Summary Rept of Alert Which Occurred at Facility on 890601,per App I of NUREG-0654 (Rev 1) & EPIP AP-03  +
• IR 05000309/1985098  +
• ML20235J579  +
• ML20280A683  +
• ML21168A186  +
• 05000254/LER-1989-004-07, :on 890417,reactor Manually Scrammed Due to Electromagnetic Relief Valve 1-203-3D Being Stuck Open. Caused by Steam Leakage Past Pilot Valve & Obstruction of Drain Orifice.Relief & Pilot Valves Replaced  +
• 05000352/LER-1998-005, :on 980322,load Ctr Feedwater Breaker 124B-62 tripped,de-energizing Components Supported by Load Ctr 124B. Caused by Combination of pre-existing Steam Leak in 1A RWCU Pump Room Circuit Breaker Replaced  +
• 05000287/LER-1985-001-02, :on 850723,unit Tripped on High RCS Pressure During Secondary Feedwater Transient.Caused by Erroneous Signal from Failed Integrated Control Sys Module.Failed Module Replaced  +
• 05000320/LER-1988-010-01, :on 880610 & 23,automatic Cutting Equipment Sys Plasma Arc Torch Operated While Reactor Bldg Purge Sys Not Operating.Caused by Personnel Failure.Operating Procedure 4210-OPS-3255.29 Revised  +
• 05000324/LER-1998-004-03, :on 981216,HPCI Sys Was Rendered Inoperable to Support Scheduled Maint Activity.Caused by Deficiencies in Scheduling & Planning of 2-E41-F079 Valve Work Activity. Personnel Have Been Briefed on Event.With  +
• 05000287/LER-1985-001-04, :on 850723,reactor Tripped Due to High RCS Pressure.Caused by Erroneous Signal from Failed Integrated Control Sys Module.Module Replaced  +
• 05000440/LER-1997-001, :on 970107,nonlicensed Operator Electrical Switching Error Results in Reactor Protection Sys & Other ESF Actuations Occurred.Caused by Personnel Error.Standing Instruction Issued & Procedures Enhanced  +
• 05000413/LER-1985-028, :on 850422,both RHR Trains Inoperable & RCS Draining Began While Train a Inoperable Due to Maint.Caused by Personnel Error.Centrifugal Charging Pump a Started to Restore PCS Sys Level  +
• 05000413/LER-1984-009, :on 840827,sample Flow Not Obtained from RHR Sys Train A.Caused by Possible Failure of Valve 1NM39. Sampling Location Changed to Vol Control Tank.Work Request Written to Investigate & Repair Valve  +
• 05000413/LER-1984-009-02, :on 840827,boron Sampling Procedures Using Reactor Coolant Failed to Provide Viable Data for Seven Consecutive Sampling Periods.Caused by Lack of Sample Flow & Erroneous Sample Location  +
• 05000413/LER-1995-004-03, :on 950805,TS 3.0.3 Entry Occurred Due to Ventilation Sys Inoperability.Provided Specific Instructions to Personnel Prior to Ingressing to Reactor Bldg Via CAD & Instructions to Security Officers  +
• 05000373/LER-1993-020-03, :on 931129,VR Containment Isolation Occurred Due to Loss of Reactor Protection Sys Bus Power.Caused by Over Travel of RPS Transfer Switch.Operating Procedures for Reactor Recirculation Pumps Revised  +
• 05000254/LER-1993-002-01, :on 930302,determined Average .25 Inches of Water Cannot Be Maintained in Secondary Containment Per Ts. Caused by Testing Deficiency.Procedure Qts 160-5 Will Be Changed to Adjust for Test Deficiency  +
• 05000254/LER-1993-002-09, :on 930302,determined That Differential Pressure of 0.10 Inches Water Vacuum Could Be Obtained Instead of TS Required Pressure of 0.25 Inches Water Vacuum. Caused by Testing Defect.Procedure Changed  +
• 05000382/LER-1990-002, :on 900322,reactor Trip Initiated by Plant Protection Sys When Two Control Element Assemblies Dropped to Fully Inserted Position.Caused by Connectors Damaged from Misalignment.Damaged Components Replaced  +
• 05000373/LER-1990-006-02, :on 900328,Phase B Insulator Between East/West Main Power Transformers & Switchyard Failed,Resulting in Trip of Differential Current Relays & Main Turbine.Caused by Flashover to Ground.Insulator Replaced  +
• 05000413/LER-1991-006-01, :on 910323,nuclear Svc Water Valves Left W/O Emergency Power Supply.Caused by Inappropriate Action Due to Misreading of Operator Aid Computer (Oac) Graphics.Oac Graphics Training Will Be Provided  +
• 05000280/LER-1992-005-02, :on 920402,determined That Refueling Containment Integrity Did Not Exist Since Secondary Side of SG B Open for Sludge Lancing.Caused by Inadequate Procedures.Bonnet Reinstalled on Check Valve  +
• 05000410/LER-1993-011, :on 931119,reactor Scram & ESF Actuation Occurred.Caused by Poor Work Organization & Planning. Work Planning Guide Revised & Procedure Changes Will Be Evaluated  +
• ML20210A915  +