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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

• ENS 43534  +
• 05000286/LER-2002-001, Operation in Condition Prohibited by Technical Specifications Due to Inoperable Service Water Pipe Caused by Leak Exceeding AOT  +
• ML18158A130  +
• 05000296/LER-1994-001-04, :on 941018,unexpected auto-start of Unit 3 DGs Occurred During Performance of SI Due to Personnel Error. Electrical Maint Personnel Briefed on Event  +
• ML20086F698  +
• ML20076H060  +
• ML20093H193  +
• ML20115G737  +
• ML20147B461  +
• ML20138B635  +
• ML20248J725  +
• ML20236R053  +
• ML20235F888  +
• U-601004, Ro:On 870804,notification of Unusual Event Declared Due to Inoperability of Channel 1B21-N697A,LPCS,LPCI & RHR B. Functional Test of Channel Performed & Device,Lpcs & LPCI Declared Operable.Notification of Unusual Event Terminated  +
• IR 05000254/1986015  +
• NRC-97-0097, Responds to NRC Re Violations Noted in Insp Repts 50-341/97-02 & 97-03.Corrective actions:multi-discipline Team Identified & Investigated Potential Factors Re Binding of Fused Disconnect Switch Operating Mechanism  +
• 05000499/LER-1989-010, :on 890408,noted That One Channel of Extended Range Neutron Flux Monitor Out of Svc When Shutdown Banks Withdrawn on 890407.Caused by Personnel Error.Night Orders Issued to Operating Crews  +
• 05000412/LER-1987-001-01, :on 870628,reactor Trip Occurred Due to Loss of Vital Bus.Caused by Abnormal Sys Alignment Which Had Vital Bus Powered from Auxiliary Supply.Uninterruptible Power Sys Returned to Svc  +
• 05000354/LER-1999-007-01, :on 990614,license Condition Violation - Class 1E Battery Charging Operation Was Noted.Caused by Inadequate Procedure Development.Procedures Revised & Personnel Held Accountable for Inappropriate Actions  +
• 05000331/LER-1999-003, :on 990209,both Trains of CR Standby Filter Units (Sfu) Were Declared Inoperable.Caused by Failure of Low Flow Pressure Differential Switch (Pds).Replaced PDS in B Sfu & Tested & Restored a Sfu.With  +
• 05000254/LER-1985-019-08, :on 851125,RHR Svc Water Pump 1D Out of Svc Due to Tech Spec Flow Requirements.Caused by Pieces of Wood Lodged in Impellers of Pump.Pump Disassembled & Wood Removed  +
• 05000341/LER-1996-007, :on 960419,RCIC Sys Declared Inoperable Due to Turbine Shaft Gland Leakage.Caused by Steam Leakage Past Seat of RCIC Turbine Steam Admission Valve  +
• 05000352/LER-1992-014, :on 901116,continuous Fire Watch Not Implemented Upon Discovery of Inoperable Thermo-Lag Fire Rated Barriers.Caused by Personnel Error.Fire Watch Posted, on 920626,as Result of NRC Bulletin 92-001  +
• 05000320/LER-1982-019-03, /03L-0:on 820601,wind Speed,Wind Direction & Air Temp Indication in Control Room Lost.Caused by Lightning Striking Meteorological Tower Resulting in Blown Amplifier Chips & Fuse.Components Replaced  +
• 05000293/LER-1993-004, :on 930313,automatic Scram Occurred Resulting from Load Rejection During Severe Coastal Storm While at 100% Power.Caused by Environ Effects of Storm.Trip Settings of Main Input Circuit Breakers Increased  +
• 05000254/LER-1989-017-03, :on 891022,discovered That 6-month Functional Test Procedure Qos 500-3 Re Functional Test for Reactor Protection Sys Electrical Assemblies Not Completed in Required Time.Caused by Mgt Deficiency  +
• 05000281/LER-1991-007, :on 910802,safety Injection/Reactor Trip Occurred.Caused by Intermittent Loss of Voltage to Channel Iva Protection Instrumentation.Channel Iva Instrumentation Stabilized  +
• 05000281/LER-1991-007-02, :on 910802,ESF Actuated & Safety Injection & Reactor Trip Occurred as Result of High Steam Flow Signal Coincident W/Low Steam Line Pressure Signal.Caused by Loss of Voltage to Protection Instrumentation  +
• 05000280/LER-1987-027, :on 871027,electrical Short in Train a Turbine Bldg Flood Control Panel Caused Spurious Completion of Flood Protection Circuit.Caused by Leak on Access Manway of Moisture Separator Reheater 1-MS-E-1B  +
• 05000272/LER-1990-040-01, :on 901112,ground Fault Indication Received in Control Room for Both B & C 125-volt Dc Vital Busses Due to Installation of 125-volt Ac Struthers Dunn Relay Coil.Caused by Personnel Error.Event Reviewed  +
• 05000400/LER-1988-007, :on 880309,several Alarms Received by Operators at Main Control Board Indicating Low Water Level in Steam Generator B.Caused by Failed Renewable Fuse.Fuse Replaced  +
• 05000316/LER-1987-011-01, :on 871002,Train a Safety Injection Signal Occurred.Caused by Personnel Error.Safety Injection Signal Reset,Plant Returned to pre-event Status & Personnel Reminded to Reevaluate When Work Exceeds Scope  +
• 05000293/LER-2008-005, HPCI System Declared Inoperable During Surveillance Testing Due to Human Error  +
• 05000293/LER-2007-001, Regarding Primary Containment Isolations Following a Manual Reactor Scram  +
• 05000341/LER-1997-002, :on 970216,HPCI Sys Pump Discharge Valve Failed to Open.Caused by Failure of Pinion Gear Setscrew.Maint Procedure Controlling Work on Valve Mos Revised,Motor Shaft for Valve E4150-F006,spot Drilled & New Setscrew Installed  +
• 05000267/LER-1983-045-03, /03L-0:on 831025,Halon 1301 Sys for three-room Complex Taken Out of Svc for Mod & Automatic Function for Isolation Dampers of Complex Removed.Caused by Relocation of Several Piping & Electrical Conduit Runs  +
• 05000331/LER-1994-008, :on 940517,determined That Testing Had Not Been Performed at Required Surveillance Frequency for Reactor High Pressure Scram Pressure Switch.Caused by Inadequate Tracking.Appropriate Half Scram Inserted  +