Pages that link to "NRC Form 358A"

The following pages link to NRC Form 358A:

Displayed 39 items.

• 05000327/LER-1985-036-01, :on 850825,26,28 & 0913,hourly Fire Watch Not Performed within 1 H.Caused by Improper Shift Relief or Inaccessibility to Areas.Fire Watches Reestablished as Soon as Practical ‎ (← links)
• 05000336/LER-1995-045, :on 951214,plant Shutdown Initiated Due to Indeterminate Structural Integrity of Charging Valve 2-CH-435.Repaired Valve ‎ (← links)
• 05000400/LER-1988-013-02, :on 880603,emergency Bus 1A-SA Deenergized Resulting in Automatic Start of Emergency Diesel Generator 1A-SA.Cause Undetermined.Failure of Battery Room Ventilation Damper Traced to Sticking Limit Switch ‎ (← links)
• 05000400/LER-1987-042, :on 870709,wrong Fuses Pulled During Process of Placing Clearance OP-87-1290 Resulting in Automatic Reactor/ Turbine Trip.Caused by Personnel Error.Operator Training Conducted Re Fuse Labeling Conventions ‎ (← links)
• 05000400/LER-1992-012-02, :on 920802,one of Three Secondary Relays Failed to Actuate,Causing TS 3.0.3 to Be Entered.Caused by Failure of under-voltage Relay to Actuate.Procedure Will Be Revised to Provide Guidance for Tripped Condition ‎ (← links)
• 05000400/LER-1990-018, :on 900823,loss of Component Cooling Water Inventory Occurred.Caused by Lifted Reactor Coolant Drain Tank HX Valve Caused by Incorrect Relief Valve Setpoint. Inlet Isolation Valve Administratively Closed ‎ (← links)
• 05000400/LER-1989-004, :on 890207,loss of All Three Circulating Water Pumps Resulted in Loss of All Flow to Main Condenser, Causing Reactor Trip.Caused by Air Entering Circulating Water Pump Seal Water Sys.Components Repaired ‎ (← links)
• 05000400/LER-1988-011-01, :on 880511,Westinghouse Notified Plant of Unanalyzed Condition Re Inadvertent Actuation of Low Temp Overpressure Protection Sys.Automatic Actuation Function Disabled & Permanent Mod Under Consideration ‎ (← links)
• 05000400/LER-1988-008, :on 880217,emergency Svc Water Pump Started Then Tripped.Caused by Problem W/Overcurrent Relay. Overcurrent Relay Replaced & Emergency Safeguards Sequencer Sys Test Procedure Revised ‎ (← links)
• 05000400/LER-1987-045, :on 870716,RCS Pressure Fell Below Accumulator Pressure,Initiating Partial Injection of All Three Accumulators.Caused by Reactor Operator Error.Operating Shift Disciplined & Procedure Revised ‎ (← links)
• 05000400/LER-1987-034, :on 870611,air Leakage by Inner & Outer Doors of Personnel Air Lock Excessive.Caused by Flat Spots on O-ring Seal.Seals on Inner & Outer Doors Replaced & Procedure OMM-001 Revised ‎ (← links)
• 05000400/LER-1987-033, :on 870607,experienced Trouble W/Engine Barring Device Not Rotating Engine as Required Using Plant Svc Air. Caused by Low Plant Svc Air Pressure.Mod Installed Attaching Engine Barring Device to Starting Air Tank Air ‎ (← links)
• 05000250/LER-1987-015, :on 870522,design Basis Reconstitution Revealed Potential Loss of HVAC in Inverter & Battery Rooms.Caused by Mods to Original Plant Design.Maint & Insp Procedures Implemented for Air Conditioning Units ‎ (← links)
• 05000250/LER-1987-014, :on 870519,while Unit in Mode 6,determined That Design Discrepancy Existed in Containment Spray Sys.Caused by Flow Orifice in Discharge Line Not Incorporated in Field. Design Mods Will Be Implemented for Correction ‎ (← links)
• 05000250/LER-1989-009, :on 890519,design Inadequacy in App R Safe Shutdown Analysis Identified by Util Engineers.Caused by Design Inadequacy.Fire Watches Established for Unit 4 & Will Be Established for Unit 3 ‎ (← links)
• 05000250/LER-1988-027, :on 881006,mechanic Found to Be Contaminated When Exiting Containment Bldg.Specific Cause Unidentified. Addl Temporary Controls Implemented & Area Mopped ‎ (← links)
• 05000250/LER-1987-024, :on 870913,reactor Controls Manipulated by Nonlicensed Person Under Supervision of Licensed Operator. Caused by Personnel Error.Personnel Counseled ‎ (← links)
• 05000316/LER-1995-008-01, :on 950905,inadequate Procedural Guidance Resulted in Autostart of Essential SW Pump on Unexpected ESF Signal.Event Was Evaluated & Determined to Be of No Safety Significance ‎ (← links)
• 05000315/LER-1991-005, :on 910718,emergency Diesels Declared Inoperable When Design Documents Could Not Be Located to Demonstrate Capability of EDG to Withstand Effects of Tornado.Edg Room Fans Will Be Run ‎ (← links)
• 05000316/LER-1989-012, :on 890624,monthly Channel Checks Required by Tech Spec 3.3.3.6,Table 3.3-10 for Containment Water Level Instruments Not Included in Surveillance Procedure.Caused by Personnel Error.Procedure Revised on 890624 ‎ (← links)
• 05000316/LER-1989-003, :on 890119,valve Stem Seal Leak Allows Air Into Sensor Capillary Tubing Causing Reactor Vessel Level Indication Sys Calibr Shift.Caused by Leakage of High Point Fill Valve Stem Seals ‎ (← links)
• 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 ‎ (← links)
• 05000316/LER-1987-010-01, :on 870902,insps Revealed Frost & Ice Buildup on Lattice Frames of Greater That 3/8 Inch in 46 Flow Passages & 6 of 24 Ice Condenser Bays.Caused by Abnormal Degradation.Ice Condenser Defrosted ‎ (← links)
• 05000315/LER-1987-008, :on 870604,ESF Actuation Occurred Due to Extreme High Level in Steam Generator 12.Caused by Mispositioning of Both Level Controller & Feedwater Flow Selector Switch.Level Controller Refurbished ‎ (← links)
• 05000528/LER-1989-021, :on 891106 & 09,discovered That Locked High Radiation Area Gate Open & Unguarded,Contrary to Tech Spec 6.12.2 Requirements.Caused by Personnel Error.Gates Secured & Addl Locking Mechanisms Installed on Doors ‎ (← links)
• 05000530/LER-1989-001, :on 890303,electrical Grid Disturbance Resulted in Main Generator Output Breakers Opening,Resulting in Reactor Power Cutback & Steam Bypass Control Sys Actuation. Caused by Malfunction in Subj Control Sys ‎ (← links)
• 05000528/LER-1989-006-01, :on 890731,containment Purge Isolation Actuation Signal Initiated Due to Loss of Power to Panel 1E-PNB-D26.Cause Not Identified.Power Restored & Radiation Monitor RU-38 Placed Back on Line ‎ (← links)
• 05000528/LER-1989-005, :on 890412,determined That Deficiencies Identified by Control Components,Inc of Atmospheric Dump Valves Constituted Reportable Part 21 Condition.Caused by Improperly Seated Piston Ring.Valve 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-1989-033, :on 890811,RWCU Isolation Occurred When Fuse in Power Supply to Leak Detection Monitor Blew,Giving False High Alarm Signal to Isolation Logic.Cause Unknown.Fuse Replaced & RWCU Sys Restored to Operation ‎ (← links)
• 05000397/LER-1988-034, :on 880909,pipe Failure Caused by Introduction of Liquid Nitrogen Into Primary Containment Supply Purge. Inerting Nitrogen Supply Valve & Containment Supply Purge Shut to Terminate Containment Inerting ‎ (← links)
• 05000397/LER-1988-032, :on 880905,inadvertent Containment Isolation of RCIC Sys Steam Supply Line Occurred While Reactor Pressure Held at 90 Psig.Caused by Personnel Error.Startup Halted & Excess Flow Check Valves Reopened ‎ (← links)
• 05000397/LER-1988-033, :on 880907,determined That Tech Spec Re Control Room Emergency Filtration Sys Verification Not Performed Since Startup in Dec 1983.Caused by Personnel Error. Temporary Procedure Will Be Initiated ‎ (← links)
• 05000397/LER-1988-023, :on 880629,Tech Spec Violation of Secondary Containment to Outside Differential Pressure Occurred.Caused by Sys Configuration Error.Instrument Setpoint Change Request Initiated ‎ (← links)
• 05000397/LER-1988-006, :on 880213,series of Reactor Pressure Vessel Level Transients Resulted in Low Reactor Protective Sys Actuation Following Manual Scram.Caused by Procedural Inadequacy.Procedures Modified ‎ (← links)
• 05000400/LER-1987-032, :on 870602,radiation Monitor REM-21WL-3541 Sample Chamber Instead of REM-21WS-354 Drained for Disconnection Leaving Monitor Inoperable.Caused by Personnel Error.Procedure HPP-495 Prepared ‎ (← links)
• 05000397/LER-1988-009, :on 880401,standby Gas Treatment Sys Tech Spec Surveillances Not Performed within Time Limits.Caused by Personnel Error.Personnel Counseled & Procedure Revised to Provide Guidance When Surveillance Exceeded ‎ (← links)
• 05000397/LER-1987-033, :on 871218,plant Tech Spec Sections 4.0.5 Re ASME Valve in-service Testing Requirements & 3.6.3 Concerning Containment Valve Operability Not Met.Caused by Personnel Error.No Corrective Action ‎ (← links)
• 05000389/LER-1986-011-02, :on 860709,during Full Power,Both Diesel Generators Simultaneously Taken Out of Svc.Caused by Personnel Error & Broken Roll Pin in Governor of Diesel Generator 2A2.Maint Personnel Counseled ‎ (← links)