Pages that link to "NRC Form 363"

The following pages link to NRC Form 363:

Displayed 23 items.

• 05000266/LER-1998-013, :on 980416,discovered That Discharge Pressure Indicator Root Valves for Containment Spray Pumps Were Not Shut as Required.Caused by Failure to Maintain Adequate Configuration Control.Shut Subject Root Valves ‎ (← links)
• 05000282/LER-1998-006, :on 980319,equipment Discrepancy Was Confirmed for Electrical Equipment Associated w/122 CR Outside as & Steam Exclusion Damper CD-34177.Caused by Failure to Find Location of CD-34177.Will Correct Documents ‎ (← links)
• 05000382/LER-1999-001, :on 990105,TS 3.0.3 Was Entered.Caused by Less than Adequate Chiller Thermostat Control.Placed Tamper Seal on Chiller Thermostat.With ‎ (← links)
• 05000281/LER-1986-004-02, :on 860219,during Test of Component Cooling Check Valves in RHR Sys,Operator Made Incorrect Valve Lineup Resulting in Isolation Component Cooling Flow to RHR HX a & B.Event Rept Placed in Operator Reading Manual ‎ (← links)
• 05000336/LER-1997-016-02, :on 970415,TS 4.0.4 Was Incorrectly Applied to SRs for Tdafwp.Caused by Failure to Incorporate TS SRs Into Plant Surveillance Procedures.Surveillance Procedure for Tdafwp Revised Prior to Entry Into Mode 4 ‎ (← links)
• 05000461/LER-1997-013, :on 970508,failure to Adequately Verify That No Trips Existed During Surveillance Test Resulted in Inadvertent Actuation of Sgts.Caused by Personnel Error. Procedure CPS 9532.61 Was Revised ‎ (← links)
• 05000382/LER-1997-008, :on 880419,discovered Incorrect Quantity of Tri-Sodium Phospate Used for ECCS Ph Determination.Caused by Personnel Error.Generated Corrective Action Document & Verified post-1988 Similar Surveillances ‎ (← links)
• 05000361/LER-1985-054, :on 851025,determined That 60-month Surveillance Requirement 4.8.4.1.b Exceeded on Containment Penetration Conductor Overcurrent Protective Devices 2BF08 & 2BF09.Devices Last Surveyed on 780706 & 0512 ‎ (← links)
• 05000362/LER-1985-010-01, :on 850329,w/unit at 96% Power,Reactor Tripped. Caused by Two Failures in Reactor Protection Sys Circuitry. Relay from Channel a Steam Generator Low Flow Bistable & Setpoint Card Replaced ‎ (← links)
• 05000348/LER-1983-080-03, /03L-0:on 831125,spent Fuel Storage Area Radiation Monitor R-5 Declared Inoperable Due to Erroneous Indication. Caused by Loose Connection.Connection Repaired ‎ (← links)
• 05000260/LER-1983-021-03, /03L-0:on 830423,calculated R Factor Less than Flow Bias Tech Spec Setpoint.Caused by Pulling Group of Eight Rods Four Notches to Fully Withdrawn Position.Tech Spec Revs Submitted ‎ (← links)
• 05000315/LER-1982-089-03, /03L-0:on 821005,during Routine Testing,Roll Up Fire Door 345 at Transformer Switchgear Room Did Not Close. No Mechanical Problems Discovered.No Further Action Planned ‎ (← links)
• 05000361/LER-1982-072-03, /03L-0:on 820721,120-volt Ac Vital Bus 2Y03 de-energized from Associated Inverter W/Plant in Mode 4. Normal Offsite Power Available.Caused by Inadvertently Applied Ground.Bus re-energized ‎ (← links)
• 05000361/LER-1982-064-03, /03L-0:on 820716,containment Personnel Access Airlock Jammed in Open Position.Caused by Linkage Maladjustment Due to Heavy Personnel Traffic Associated W/Plant Startup Between Initial Fuel Load & Criticality ‎ (← links)
• 05000361/LER-1982-039-03, /03L-0:on 820716,during Monthly Surveillance Test, Emergency Chiller E-335 Refrigerator Compressor in Control Room Emergency Air Cleanup Sys Failed to Start.Caused by Defective Impeller Displacement Switch.Switch Bypassed ‎ (← links)
• 05000413/LER-1993-009, :on 930923,TS 3.0.3 Entered Due to Both Trains of CR Ventilation & Chilled Water Sys Being Inoperable. Caused by Less than Adequate Work Practices.Iae Personnel Involved in Event Received Addl Training ‎ (← links)
• 05000366/LER-1982-027-03, /03L-0:on 820325,while Refueling,Reactor Bldg Exhaust Vent Radiation Monitor Functional Test & Calibr Exceeded Surveillance Interval by 2 Days.Caused by Personnel Failure to Schedule Work Required ‎ (← links)
• 05000311/LER-1982-013-03, L-0:on 820215,shift Supervisor Informed That Two 4-inch Core Bores Opened on 78-ft Elevation Between Mechanical & Electrical Penetration Areas.No Fire Watch Posted.Caused by Inadvertently Posting Watch on Wrong Unit ‎ (← links)
• 05000331/LER-1982-008-03, /03L-0:on 820121,LPCI Sys & RHR Svc Water Sys a Declared Inoperable Due to Piping Stress in Excess of Code Allowables.Cause Unknown.Snubber GBC-1-SS-56 & RHR Sys Valve Replaced ‎ (← links)
• 05000247/LER-1981-025-99, /99X-0:on 811009,code Safety Valve Ms 48A on Main Steam Line 21 Was Found Lifting at Lower than Specified Pressure.Caused by Broken Section on Disc Holder in Valve. Defective Parts Replaced ‎ (← links)
• 05000346/LER-1978-024-03, /03L-1:on 780228,MSIV MS-101 Rendered Inoperable to Allow Maint Personnel to Remove Raised Metal on Two of Four Spring Guide Tubes.Cause of Raised Metal Unknown.Metal Filed Down,Valve Closing Time Adjusted & Valve Tested ‎ (← links)
• 05000317/LER-1980-065-03, /03L-0:on 801215,charging Pumps Found Running Contrary to Tech Spec Surveillance Requirement.Caused by Failure of Personnel to Perform Surveillance Requirements After Securing Shutdown Cooling Flow.Procedures Changed ‎ (← links)
• 05000346/LER-1980-084-03, /03L-0:on 801128,switch PSL107D Would Not Reset After Actuating on Low Steam Pressure & Auxiliary Feedwater Sys Declared Inoperable.Caused by Defective Actuation Switch & Actuator in PSL107D.Parts Replaced ‎ (← links)