Pages that link to "NRC Form 3660"

The following pages link to NRC Form 3660:

Displayed 33 items.

• 05000352/LER-1988-031, :on 881006,determined That Plant Not in Compliance W/Fire Protection Evaluation Rept.Caused by Misunderstanding & Misapplication of Detailed Regulatory Requirements.Fire Watch Patrol Established ‎ (← links)
• 05000413/LER-1989-022, :on 890824,manual Reactor Trip Occurred Due to Failure of Gasket on Main Feedwater Valve Positioner Control Air Manifold.Main Feedwater Valve Positioners Being Inspected Weekly ‎ (← links)
• 05000346/LER-1997-008, :on 970318,inadequate Testing of safety-related Logic Occurred.Overall Root Cause Will Be Completed by 980930 & Results of Evaluation Will Be Reported in Suppl to LER ‎ (← links)
• 05000286/LER-1989-007, :on 890321,unauthorized Access Into Protected Area by Former Employee Utilizing Photo Identification Badge of Another Contract Employee Occurred.Caused by Security Guard Error.Security Retrained ‎ (← links)
• 05000413/LER-1987-017, :on 870404,technician Removed Hatch Plug to Allow Access to Boric Acid Batching Tank.Plug Not Replaced within 1 H & No Fire Watch Established.On 870408,removed Plug Discovered Missing.Hatch Plug Replaced ‎ (← links)
• 05000414/LER-1986-045, :on 861011,turbine Driven Auxiliary Feedwater Pump Inoperable.Caused by Incorrect Installation of Solenoid Valve Per Incorrect Design Drawing.Solenoid Retubed & Associated Instrument Detail Drawing Corrected ‎ (← links)
• 05000395/LER-1987-018, :on 870729,integrated Fire & Security (If&S) Sys Failed Due to Severe Electrical Storms.On 870730, Identified Failure to Monitor Containment Temp.Caused by Personnel Error.Shifts to Be Briefed ‎ (← links)
• 05000395/LER-1987-025, :on 871014,evaluation of Environ Qualification of 600 Volt Taped Wiring Splices Concluded Problem May Exist at Facility.Caused by Installation of Splices Utilizing Kerite Taped Back to Back ‎ (← links)
• 05000029/LER-1987-012, :on 870706,reactor Scram on High Main Coolant Pressure Occurred During Main Turbine Overspeed Trip Test. Caused by Personnel Error.Personnel Instructed on Need for Communications & Headphones Installed in Hall ‎ (← links)
• 05000029/LER-1987-007, :on 870521,pressurizer Safety Code Valves PR-SV-181 & PR-SV-182 Found Out of Tech Spec Tolerance.Cause Undetermined.Valves Removed & Shipped to Wyle Testing Facility for Insp & Engineering Evaluation ‎ (← links)
• 05000029/LER-1987-014, :on 871121,plant Shutdown Initiated.Caused by Nonreturn Valve (Nrv) Low Nitrogen Pressure & Instrumentation Inaccuracy.Procedure to Charge Nitrogen to Nrv Accumulator Will Be Changed ‎ (← links)
• 05000220/LER-1998-002-01, :on 980220,failure of CR Emergency Ventilation to Meet Differential Pressure Requirements Occurred.Caused by Inadequate Change Management.Engineering Supporting Analysis Was Completed to Justify Operations ‎ (← links)
• 05000370/LER-1999-003-01, :on 990616,inadvertent Actuation of Turbine Driven Auxiliary Feedwater Pump Occurred.Caused by Inadequate Policy or Directive.Station Directives Will Be Reviewed & Appropriately Revised ‎ (← links)
• 05000528/LER-1996-009, :on 961027,identified That TS Violation May Have Occurred Due to Missed Surveillance Test.Caused by Personnel Error.Setpoint for Limit Switches for Valve 1SIAUV647 Corrected to Achieve 1-inch Stroke Length ‎ (← links)
• 05000369/LER-1999-001, (S)-00:on 990317,discovered Unescorted Access Authorization of Contract Employee Falsely Obtained.Caused by Employee Willful Falsification of Info.Employee Unescorted Access Was Terminated on 990317 ‎ (← links)
• 05000354/LER-1999-004, :on 990309,check Valves for a Containment Atmosphere CS Vacuum Breaker Isolation Valve Accumulator Did Not Meet Requirements During Testing.Caused by Improper Selection of Valve Type.Valve Discs Replaced ‎ (← links)
• 05000266/LER-1998-005, :on 980121,discovered That Control Rod Exercise Test Required Tech Specs Had Not Been Performed as Required. Caused Data Entry Error Into Computerized Maint Planning. Maint Planning Sys Revised ‎ (← links)
• 05000414/LER-1986-008-02, :on 860425 Containment Air & Addition Sys Releases Terminated by Actuation of Alarm for High Radiation Level on Containment Gas Monitor ‎ (← links)
• 05000266/LER-1997-023, :on 970508,discovered Noncompliant Emergency Lighting for Postulated App R Fires.Caused by Alternative Provisions Made in Original Safe Shutdown Analysis.Emergency Lights Will Be Installed ‎ (← links)
• 05000267/LER-1985-018, :on 850925,automatic Actuation of Plant Protective Sys Reactor Scram Circuitry Occurred.Caused by Personnel Error While Troubleshooting Circulator D Inlet Temp.Personnel Counseled ‎ (← links)
• 05000382/LER-1985-033, :on 850705,high Level Reactor Trip Setpoint Occurred During Attempt to Transfer Feedwater Pump Load from Main Feedwater Pump B to A.Caused by Impurities in Control Oil for Valve Positioner.Oil Replaced ‎ (← links)
• 05000266/LER-1996-003, :on 960621,discovered Plant Operation Outside of Design Basis.Caused by Inadequate Analysis Re Determination of Original TS Parameters.Revised Procedure OP-3C & OP-1A Re Cold Shutdowns ‎ (← links)
• 05000370/LER-1996-001-03, :on 960208,unit 2 RWST Level Instrumentation Inoperable Due to Cold Water Condition.Caused by Insufficient Monitoring.Fw Level Transmitter Panel Will Be Verified ‎ (← links)
• 05000259/LER-1992-002, :on 920424,unit 1 Reactor Protector Sys Experienced an Unexpected Failure,Causing Actuation of Plant Esf.Cause Could Not Be Identified.Sys Placed on Alternative Power & Alarms Reset ‎ (← links)
• 05000370/LER-1995-002-02, :on 950205,boron Dilution of RCS Occurred by Placing Under Borated Mixed Bed Demineralizer in Svc Due to Inappropriate Action.Chemical Employees Involved Counseled ‎ (← links)
• 05000424/LER-1994-003, :on 940426,closed Dampers Rendered Two Trains of HVAC Inoperable.Caused by Drawing Discrepancies & Personnel Error.Power Restored to Exhaust Dampers & Personnel Counseled ‎ (← links)
• 05000277/LER-1994-001-01, :on 940119,TS Violation Occurred Due to Fire Detection Sys Breaker Open W/No Hourly Firewatch in DG Cardox Room.Closed Breaker & Restored Fire Detection Instrumentation ‎ (← links)
• 05000366/LER-1993-011-02, :on 931220,blown Fuse Resulted in Unplanned Automatic Actuation of Engineered Safety Features.Cause Not Determined.Relays Examined,Procedures Revised & Circuit & Wiring to Be Traced & Verified ‎ (← links)
• 05000333/LER-1993-006, :on 930225,determined Inadequate Discharge Pressure on Fire Pump 76P-2,but Pump Was Not Declared Inoperable.Low Discharge Caused by Normal Wear.Pump Replaced & Test Procedures Will Be Revised ‎ (← links)
• 05000368/LER-1989-005, :on 890518 & 25,damping Board Removed from Penetration Containing Cable Tray.On 890531,voids Noted in Penetration Seals.Caused by Erroneous Vendor Procedures. Penetrations Restored & Procedures Revised ‎ (← links)
• 05000293/LER-1917-006, Regarding Source Range Monitor Inoperable During Fuel Movement ‎ (← links)
• 05000454/LER-2006-002, Regarding All Refueling Water Storage Tank Level Instrumentation Channels Made Inoperable During a Single Channel Calibration Activity Due to a Design Flaw ‎ (← links)
• 05000454/LER-2005-005, Re Both Trains of the Ultimate Heat Sink Water Makeup Trains Exceeded Technical Specifications Required Action Completion Time Due to Contaminated Fuel Oil Resulting from Inadequate Tank Cleaning Procedure ‎ (← links)