Pages that link to "NRC Form 368A"
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The following pages link to NRC Form 368A:
Displayed 50 items.
- 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)
- 05000382/LER-1997-012, :on 970404,programmatic Breakdown of Overtime Program Occurred.Caused by Lack of Mgt Oversight in Administering & Implementing Plants Working Hour Policy. Ltr Issued Reemphasizing Working Hour Policy (← links)
- 05000461/LER-1997-008, :on 920408,determined That DG Undervoltage Relays Inoperable Due to Inadequate Process to Review Operability Requirements of Plant Equipment as Defined in Ts.Amend Requested to Change TS (← links)
- 05000423/LER-1997-010, :on 970129,electrical Calculation Discrepancies Identified in Min Voltage Analysis for Class 1E Electrical Sys.Caused by Lack of Configuration Mgt for Comprehensive Calculation Program.Program Being Revised (← links)
- 05000295/LER-1985-019-01, :on 850607,reactor Tripped & MSIVs Closed.Trip Caused by Removal of Source Range Fuses During Troubleshooting & Closure Caused by Failure of Summator. Module Replaced (← links)
- 05000305/LER-1996-007, :on 961023,identified Design Deficiency in Containment Isolation Function.Caused by Oversight During Plant Design.Implemented Administrative Controls to Preclude Subject Condition Prior to Plant start-up (← links)
- 05000443/LER-1997-001, :on 970109,identified That Certain Obstructions to Flow of Flood Water Off Site May Produce Flood Levels Exceeding Elevations Specified in Fsar.Caused by Misapplication of Design Inputs (← links)
- 05000285/LER-1996-008, :on 961011,ventilation Isolation Actuation Signal Occurred.Due to High Containment Activity.Plant Procedures Will Be Reviewed & Revised (← links)
- 05000395/LER-1996-010, :on 961202,missed Surveillance on Slave Relay Occurred.Caused by Personnel Oversight in Not Individually Tasking Each Surveillance Contained in Stps.Review Will Be Completed by 970228 (← links)
- 05000333/LER-1996-013-01, :on 961116,reactor Protection & Primary Containment Isolation Sys Actuation on False Low Reactor Water Level Occurred Due to Personnel Error.Instrument Surveillance Procedure Changed (← links)
- 05000285/LER-1996-012, :on 961111,potential for Vaporizing Cooling Water in Containment Fan Cooling Units Occurred.Caused by Loop Coincident with Loca.Analyses Have Been Performed (← links)
- 05000325/LER-1996-015, :on 961019,determined Suppression Chamber Water Level Operating Range of -27 to -31 Inches Required by TS 3.6.2.1 Was Not Equivalent to Water Vols.Caused by Inadequate Calculations.Controls Established (← links)
- 05000410/LER-2020-001, Manual Scram Due to an Electro Hydraulic Control Fluid Leak on the Turbine Control System (← links)
- 05000289/LER-1995-005, :on 951012,invalid Heat Sink Protection Sys Actuation Occurred.Caused by Failure of Two Logic Modules. Continued Daily Inspections of Hsps Cabinet Lamps & Counseled Personnel Re Communication Technique (← links)
- 05000266/LER-1996-006, :on 960813,emergency Power Out of Service Coincident with Opposite Train SW Pump.Root Cause Evaluation Being Performed.C/As Will Be Determined as Necessary from Results of Root Cause Evaluation (← links)
- 05000302/LER-1996-011, :on 960412,identified Circuits Not Being Appropriately Tested Per Improved Ts.Caused by Human Error. Applicable Surveillance Procedure Revised to Incorporate Testing of ESFAS Logic for Circuits (← links)
- 05000382/LER-1996-006-01, :on 960517,reactor Trip Occurred.Caused by Failed Component & Original Design Inadequacies.Replaced Both Motor/Generator (M/G) Set Overvoltage Relays & Replaced a M/G Set Voltage Regulator (← links)
- 05000382/LER-1996-007-01, :on 960411,discovered That Design Basis Flow Rates Could Not Be Achieved on Auxiliary Component Cooling Water Sys.Caused by Inadequate Design.Modified Sys Design & Reviewed Other safety-related Fluid Systems (← links)
- 05000285/LER-1996-004, :on 960315,discovered Adequate Shutdown Margin Was Not Maintained.Caused by Inadequate Technical Review by Plant Personnel Involved in Reviewing Procedure Change. Appropriate Personnel Trained on Incident (← links)
- 05000423/LER-1995-020, :on 951202,RCS Pressure Boundary Leak from Valve Bonnet Stem leak-off Pipe Occurred.Caused by Crack Near Toe of Fillet Weld Between Pipe & Valve Body.Removed Pipe & Valve Bonnet Weld (← links)
- 05000302/LER-1995-023, :on 951027,engineering Personnel Determined Bldg Spray Flow Valves Used in Various Engineering Calculations Inconsistent.Caused by Design Analysis Deficiency.Problem Rept Issued (← links)
- 05000318/LER-1996-001-01, :on 960227,breakers 552-41,552-21 & 552-61 Tripped Open in Plant Switchyard.Caused by Failure of Auxiliary Relay Card in Breaker 552-41.Failed Relay Card Replaced (← links)
- 05000382/LER-1996-003-01, :on 960130,logarithmic Power Channels Indicated 5 Percent of Scale Below Actual Power.Caused by Not Periodically cross-correlating Log Power to Linear Power. Recalibrated Log Power Channels (← links)
- 05000301/LER-1995-006-01, :on 951125,PORV post-maint Testing Was Not Performed Prior to Establishing Ltop.Caused by Inadequate Control of post-maint Testing.Established TS Compliance by Venting RCS (← links)
- 05000301/LER-1995-005-01, :on 951025,plugged 46 Tubes Due to Degradation in Roll Transition,Tubesheet Crevice & Tube Support Plate Regions.Performed Closeout Insps Following Maint of Each Sg (← links)
- 05000354/LER-1995-025-01, :on 951024,HPCI Sys Was Declared Inoperable Due to Out of Adjustment Limit Switch.Replaced Limit Switch & Repaired HPCI Turbine Steam Admission Valve (← links)
- 05000328/LER-1995-006-02, :on 951001,failed to Maintain Two Qualified Offsite Power Sources Due to Inadequate Training.Will Provide Licensed Operator Training (← links)
- 05000325/LER-1995-002-01, :on 950323,found Multiple Cl Sensors Used for Control Bldg Isolation Logic to Be Outside TS Tolerances During Routine Calibr.Caused by Design Deficiency. Re-evaluated Design Changes to Maintain Control Bldg Sensor (← links)
- 05000458/LER-1994-023, :on 940908,reactor Scrammed Due to Spurious Signals from Undamped Rosemount Model 1153 Transmitters. Conditions Leading to Failure Determinded to Be Reportable Per 10CFR21.Model 1153 Transmitters Replaced (← links)
- 05000285/LER-1994-011, :on 941228,SR for SG Level Check Was Unsatisfied.Caused by Inadequate Review.Dept Personnel Trained on Event (← links)
- 05000458/LER-1994-032, :on 941214,Division III DG Failed Due to Improper Synchronization Attempt by Operator.Considered Disciplinary Action for Individual Involved & Continued Performance That Monitored Testing of DG (← links)
- ML20077H463 (← links)
- 05000483/LER-1994-003, :on 940708,QA Engineer Surveillance of Radiation Monitors Indicated Utility Engineering Evaluation Conflicted W/Fsar Chapter 7.5.Caused by Utility Personnel Not Aware of Surveillance Procedures (← links)
- 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 (← links)
- 05000454/LER-1994-004-09, :on 940423,discovered That Oc Waste Gas Decay Had Not Been Sampled After Radioactive Matls Added.Caused by Poor Work Practices & Inadequate Training.Corrective Action:Personnel Retrained (← links)
- 05000317/LER-1994-003, :on 940321,noticed Leakage from Rcs.Caused by Pwscc.Corrective Action:Sleeve Location B-3 & FF-1 Have Been Plugged W/Alloy 690 Plug Welded to Outer Diameter of Pzr Lower Head (← links)
- 05000454/LER-1994-002-09, :on 940309,main Steam Safety Valves Setpoints Found Out of Tolerance Due to Calculation Error.Amend to TSs to Allow Tolerance of +3% Requested.Valve Setpoints Will Be Retested by 940509 (← links)
- ML20063M280 (← links)
- 05000331/LER-1994-003, :on 940124,determined That TS Table 3.2-A Action Statement for Off Gas Vent RMs Not Complied W/During Routine Maint on 940119 Due to Improperly Prepared Work Document.License Amend Process Revised (← links)
- 05000317/LER-1993-007-01, :on 931229,performance Test Indicated Possibility of SRW Heat Exchanger Inoperability.Caused by Original Design Calculations Assuming Min SRW Flow Was Not Limiting Case.Hxs Determined Operable (← links)
- 05000293/LER-1993-015, :on 930630,HPCI Sys Declared Inoperable Due to Indicated Flow During Surveillance.Caused by Foreign Matl That Plugged Portion of Restricting Orifice.Restricting Orifice Removed,Cleaned & Reinstalled (← links)
- 05000293/LER-1993-010, :on 930519,SUT Became de-energized During Planned Calibr of Turbine/Generator Relays Lockout Test While Shut Down.Caused by Personnel Error.Discussion Conducted W/Personnel Re Attention to Detail (← links)
- ML20034G118 (← links)
- 05000410/LER-2019-001, High Pressure Core Spray Declared Inoperable (← links)
- 05000334/LER-1989-014-01, :on 891108,routine Radiation Barrier Check Identified Faulty Door Locking Mechanism on North Door to East Valve Trench Area.Caused by Welded Latching Mechanism. Locking Mechanism Modified (← links)
- 05000425/LER-2019-002, Microswitch Failure Causes Closure of Main Steam Isolation Valve and Subsequent Automatic Reactor Trip (← links)
- 05000364/LER-2019-002, Manual Reactor Trip Due to Misaligned Rod During Low Power Physics Testing (← links)
- 05000280/LER-1992-006-03, :on 920419,filter Exhaust Fan 1-VS-F-58B Tripped Due to Excessive Vacuum.Caused by Auxiliary Ventilation Exhaust Filter Sys Train B Filters Being Near End of Svc Life.Fan Was Restarted (← links)
- 05000281/LER-1992-003-03, :on 920325,main Cr/Emergency Switchgear Room Chiller Was Declared Inoperable Due to High Svc Water Differential Pressure & Inoperable Emergency Power Source. Svc Water Differential Pressure Restored (← links)
- 05000281/LER-1992-004-02, :on 920326,B Chiller Became Inoperable Due to Hand Operated Rocker Switch Inadvertently Being Placed in Off Position.Chiller Returned to Svc.Upgrade to Sys Will Include Installation of Two Chillers (← links)