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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

• ML20009D435  +
• GNRO-2019/00012, Internal Events Probabilistic Risk Assessment (PRA) Sensitivity Study Regarding Risk-Informed Justification for the Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program  +
• ML20055A577  +
• ML20039G119  +
• ENS 48923  +
• ML20084U719  +
• ML20077J303  +
• ML20106E230  +
• ML20083H441  +
• ML20117E085  +
• ML20072C423  +
• ML20128B542  +
• ML20126M620  +
• ML20198L770  +
• ML20066D473  +
• ML20245G243  +
• A08881, Responds to NRC Re Violations Noted in Insp Rept 50-423/90-08.Corrective Action:Operators Directly Involved W/Event Removed from Licensed Duties & Counseled by Operations Manager on Causes of Event  +
• 05000333/LER-1989-005-01, :on 890412,HPCI Sys Made Inoperable to Find & Correct Grounded Electrical Circuit.Caused by Accumulation of Conductive Rust/Corrosion Products.Cleaning Provided Satisfactory Repair & Technical Manual Updated  +
• 05000413/LER-1987-031, :on 870729,vent Gas Radiation Monitor Found Inoperable.Caused by non-conservative High Radiation Alarm Setpoint.Setpoint Returned to Original Setting & Policy Will Be Clarified  +
• 05000461/LER-1989-009, :on 890203,high Drywell Pressure Signal Simulated Causing RHR Upper Containment B Fuel Pool Cooling Shutoff Valve to Unexpectedly Shut.Caused by Deficient Surveillance Procedure.Procedures Reviewed  +
• 05000423/LER-1987-024, :on 870506,Train B Emergency Diesel Generator (EDG) Failed During Surveillance Testing Due to Air Start Solenoid Valve Failure & Train B EDG Tripped Due to High Crankcase Pressure.Procedures Revised  +
• 05000285/LER-1988-027, :on 881020,steamfitter Disabled by Heat Exhaustion After Exiting Steam Generator.Caused by Contamination of Protective Clothing.First Aid Provided & Victim Taken to Hosp for Medical Treatment  +
• 05000382/LER-1988-008, :on 880417,Train a Control Room & Fuel Handling Bldg Emergency Filtration Units Automatically Started Due to Voltage Fluctuation on Vital Uninterruptible Bus.Cause Not Stated.Equipment Returned to Normal  +
• 05000334/LER-1988-007-01, :on 880607,reactor Trip on Low Flow in Single Loop Occurred Due to Operator Inadvertently Tripping Reactor Coolant Pump Breaker.Caused by Nonlicensed Operator Error. Operator Disciplined  +
• 05000261/LER-1985-020-01, :on 850911,main Transformer Fault Pressure Signal Resulted in Generator Lockout/Turbine Trip & Subsequent Reactor Trip.Caused by Faulty Main Transformer C Supply Plug.Plug Replaced  +
• 05000338/LER-1996-006-01, :on 961003,charging Pump Interlock Logic Renders Pumps Inoperable.Caused by Design Error.Action Statement Was Entered on Both Units to Prevent Susceptable Pump line-up  +
• 05000271/LER-1995-009, :on 940720,inadvertent Primary Containment Isolation Sys Actuation Occurred Due to Unexpected Transfer of 120/240 Volt Ac Bus to Alternate Power Source During Lightning Storm.Reset FW Valve Lockups  +
• 05000271/LER-1994-009, :on 940720,lightning Strike Resulted in a Transfer of 120/240V Vital AC Bus from Normal Power Source to Alternate Source.Caused by Lightning Strike to Plant. Feedwater Regulator Valve Lockups Were Reset  +
• 05000249/LER-1983-016-01, /01T-0:on 830504,station Notified That Hydraulic Snubber 16,replaced in Feb 1983,attached on One End Only. Caused by Insufficient Personnel Interface.Work Package Procedures Revised  +
• 05000261/LER-1982-013-03, /03L-0:on 820923,svc Water Pump a Failed to Restart Following Periodic Test.Caused by Failed Control Power Fuses.Fuses Replaced & Pump Started & Retested  +
• 05000254/LER-1990-011, :on 900611,diesel Fire Pump 1/2 a Out of Svc for Period Exceeding 7 Days Reporting Criteria,To Install New Suction Line.Caused by Required Maint Work.Repairs Completed & Pump Tested & Returned to Svc  +
• 05000423/LER-1990-017, :on 900518,loss of Both Trains of HPSI Occurred.Caused by Cognitive Failure by Licensed Operator. Personnel Counseled on Causes of Event & Importance of Recognizing When Event Reportable  +
• 05000423/LER-1989-033, :on 891205,safety Injection Occurred on Low Steamline Pressure When Steam Generator a MSIV Opened, Generating Safety Injection Actuation Signal.Caused by Procedure Inadequacy.Procedure Changed  +
• 05000395/LER-1989-020, :on 891202,turbine Controls Failed to Respond to Attempt to Counter Loss of Load & Turbine Manually Tripped.Caused by Relay Contact Failure in Turbine Electrohydraulic Control Circuitry  +
• 05000341/LER-1989-032, :on 891129,ESF Actuations Occurred During Set Up for Surveillance.Caused by Blown Fuse.Blown Fuse Replaced & Affected Sys Returned to Normal Operation Following Completion of Surveillance  +
• 05000285/LER-1980-025-03, /03L-0:on 801027,during Power Operation While Completing Repairs on C Charging Pump,A Charging Pump Became Inoperable.Caused by Leak in Weld Joining Sys to Flushing Line.Weld Repaired & Pump Returned to Svc  +
• 05000272/LER-2078-003-03, Excessive Air Flow Upon Exit of Containment  +