Pages that link to "NRC Form 266A"
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The following pages link to NRC Form 266A:
Displayed 14 items.
- 05000443/LER-1998-004, :on 980504,shift Manager Left Area Defined as CR Area While Performing SRO in CR Area Function.Caused by Personnel error.On-duty ROs Noted Absence of Shift Manager, Shift Manager re-entered CR Area & Received Counseling (← links)
- 05000336/LER-1988-003, :on 880130,inadvertent Automatic loss-of-normal Power Actuation Occurred on Two of Engineered Safeguards Actuation Sys.Immediate Cause Not Apparent.Wiring Error Identified & Corrected (← links)
- 05000334/LER-1999-010, :on 990906,reactor Manually Tripped Due to Main Unit Generator Voltage Regulator Malfunction.Logic Drawer of Voltage Regulator for Main Unit Generator Was Replaced with Spare.With (← links)
- 05000382/LER-1997-007, :on 970309,discovered Addl Refueling Water Storage Pool Instrument Uncertainty.Caused by Inadequate Design for Reference Leg of Level Transmitters.Recalibrated Rwsp Transmitters & Conducted Tests (← links)
- 05000483/LER-1996-008, :on 961223,missed TS 4.8.2.1.a Surveillance of 125-VDC Batteries Due to Cognitive Personnel Error. Individual Involved Has Been Counseled on Importance of Attention to Detail & Self Checking (← links)
- 05000454/LER-1996-008-01, :on 960528,fuel Assemblies Located in Incorrect Region of Spent Fuel Pool Identified.Caused by Cognitive Personnel Error.Performance Expectations Discussed W/Persons Involved (← links)
- 05000282/LER-1996-001, :on 960106,MSSV Found Outside 1% Tolerance. Caused by Instrumentation Typically Used for Valve Testing Total Combined Inaccuracy of Slightly Less than +/- 1%. Valve Adjusted (← links)
- 05000315/LER-1998-005, :on 980122,missing Screws from Ice Condenser Ice Basket Coupling Rings Resulted in Potentially Unanalyzed Condition.Caused by Failure in Shear Due to Overload During Basket Weighing Process.Melted Out Condensers (← links)
- 05000316/LER-1994-010-01, :on 941012,unexpected Isolation of Containment Purge Valves Occurred During Surveillance Testing Due to Personnel Error.Removed Containment Purge Exhaust Fans from Svc (← links)
- 05000315/LER-1991-010, :on 911016,sampled But Unmonitored Liquid Released to Unrestricted Area Due to Poor Human Factors in Design & Operation of Release Monitor.Distinctive Audible Tone Installed (← links)
- 05000529/LER-1989-003-01, :on 890216,feedwater Control Sys (FWCS) Malfunction Resulted in Reactor Trip Due to Low Level in Steam Generator 1.Caused by Malfunction of Steam Generator Valve.Pneumatic Relays in FWCS Replaced (← links)
- 05000397/LER-1991-026, :on 910918,main Control Room Received Alarms, Indicating RWCU HX Room High Temp & RWCU Outboard Isolation Valve Automatically Closed.Caused by Failed Electric Component.Circuit Input Card Replaced (← links)
- 05000397/LER-1991-025, :on 910911,train a of Containment Atmosphere Control Sys Rendered Inoperable for More than 30-day Limit Permitted by Ts.Caused by Loss of Oil from Recombiner Blower.Train a & Recombiner Blower Repaired (← links)
- 05000282/LER-2003-002, Appendix R Safe Shutdown Analysis Issues (← links)