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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000265/LER-1987-004-10, :on 870218,suppression Chamber to Drywell Vacuum Breaker 2-1601-33A Would Not Return to Normal Closed Position After Being Tested.Caused by Either Slightly Dimpled Valve Bushing or Corroded Solenoid  + (ML20196G766)
• ML20196G767  + (ML20196G767)
• ML20196G768  + (ML20196G768)
• 05000265/LER-1987-005-10, :on 870321,main Generator Tripped Due to Actuation of Main Transformer Sudden Pressure Relay.Cause Not Determined.Transformer Sudden Pressure Relay & Sudden Pressure Inhibit Relay Replaced  + (ML20196G769)
• 05000265/LER-1987-006-09, :on 870324,discovered That HPCI Turbine Speed Could Not Be Reduced by Using Motor Speed Changer or Motor Gear Unit.Caused by Equipment Failure Due to Blown Fuse.Fuse & Relay Contacts Replaced  + (ML20196G771)
• 05000353/LER-1997-005, Forwards LER 97-005-00 Re Plant Transient Which Resulted in Exceeding Licensed Thermal Power by 2.4% on 970605  + (ML20196G772)
• ML20196G773  + (ML20196G773)
• ML20196G774  + (ML20196G774)
• ML20196G775  + (ML20196G775)
• ML20196G776  + (ML20196G776)
• 05000353/LER-1997-005-01, :on 970605,facility Operating License Thermal Power Limit Was Exceeded Capacity Due to EHC Function.Cause Unknown.Monitoring Equipment Was Installed on EHC Sys to Provide Info If Similar Tansient Occurs  + (ML20196G779)
• ML20196G780  + (ML20196G780)
• 05000265/LER-1987-007-10, :on 870520,RWCU Sys Isolated & Several Group II Inboard Isolation Valves Automatically Closed.Caused by Lightning Strike to Meteorological Tower.Power Transformer & Distribution Panel Circuit Breaker Replaced  + (ML20196G783)
• ML20196G784  + (ML20196G784)
• 05000265/LER-1987-008-10, :on 870630,cable Tunnel Sprinkler Sys out-of-svc for Greater than 14 Days.Caused by Need to Perform Sys Enhancements to Ensure That Sys Consistent W/ NFPA Code Requirements  + (ML20196G787)
• ML20196G788  + (ML20196G788)
• ML20196G789  + (ML20196G789)
• 05000333/LER-1997-006-01, :on 970616,discovered That Instrumentation Isolation Trip Function Surveillance Test Had Not Been Performed at Required Frequency.Caused by Personnel Error. Completed Surveillance Test  + (ML20196G791)
• PNO-IV-88-017A, options Being Considered to Resolve Overfilled UF6 Cylinder Problem Include Getting DOT Approval to Ship Cylinder Back to Paducah.Licensee Procedure for Receiving & Weighing Depleted UF6 Reviewed  + (ML20196G792)
• ML20196G794  + (ML20196G794)
• 05000265/LER-1987-010-10, :on 870817,low Reactor Water Level Scram & Group II & III Isolation Occurred While Lowering Reactor Vessel Water Level.Caused by Procedural Inadequacy.Procedure Developed to Address Low Level Scram  + (ML20196G795)
• ML20196G796  + (ML20196G796)
• 05000313/LER-1997-001-01, :on 970408,inconsistencies Between Once Through SG Tube Destructive Exam Results & Intergranular Attack Flaw Sizing Qualification Data Was Discovered.Caused by Incorrect Data Sets.Both OTSGs Declared Inoperable  + (ML20196G798)
• 05000265/LER-1987-012-09, :on 870918,suppression Chamber to Drywell Vacuum Breaker Failed to Close After Testing.Caused by Problem W/Air Operator Portion of Vacuum Breaker.Vacuum Breakers Will Be Inspected & Repaired  + (ML20196G799)
• ML20196G801  + (ML20196G801)

• ML20196G802  + (ML20196G802)

• 05000265/LER-1987-013-09, :on 871019,reactor Scram & ECCS Initiations & Related Actuations Occurred.Caused by Personnel Error. Disciplinary Action Administered,Procedures Revised,Training Sessions Held & Circuit Breakers Inspected  + (ML20196G803)
• 05000443/LER-1996-004, :on 960627,EFWS Valve Closure Occurred.Caused by Insufficient 10CFR50.59 Refresher Training.Revised 10CFR50.59 Evaluation Procedure  + (ML20196G804)
• ML20196G807  + (ML20196G807)
• 05000265/LER-1987-014-09, :on 871101,480-volt Transformer 29 to 480-volt Bus 29 Circuit Breaker Tripped.Caused by Apparent Overload Condition.Possible Malfunction of Circuit Breaker Further Investigated & Procedure Qop 6700-2 Revised  + (ML20196G808)
• 3F0797-32, Documents Initiatives Taken Since Early 1996 to Address Issues Associated W/Departures from Plant Fsar.Brief Synopsis of Findings & Description of Comprehensive CAs in Process as Part of Present Restart Effort  + (ML20196G809)
• 05000265/LER-1987-015-09, :on 871102,off-gas Isolation Timer Declared Inoperable Following Testing.Caused by Equipment Failure Due to Motor end-of-life.Unit Two off-gas Timer Replaced W/Unit One Timer & Functionally Tested Satisfactorily  + (ML20196G812)
• 05000302/LER-1997-007, :on 970306,building Temperature Variations Larger than Assumed Resulting in Unknown Instrument Uncertainties Was Discovered.Caused by Lack of Commitment. Established Ambient Temperature Requirements  + (ML20196G813)
• 05000265/LER-1987-018-06, :on 871104,HPCI Sys Auto Isolation Due to High Temp in HPCI Room.Caused by Design Deficiency in HPCI Room Temp Monitoring Sys.Sys Evaluated & Mod 4-1(2)-84-21 Proposed  + (ML20196G819)
• ML20196G821  + (ML20196G821)
• 05000265/LER-1987-020-07, :on 871210,reactor Scram Occurred Due to Turbine/Generator Load Mismatch.Caused by Component Failure. Failed Solenoid Replaced & No Further Corrective Action Deemed Necessary  + (ML20196G823)
• 05000265/LER-1997-001-01, :on 970227,initiation of High Pressure Coolant Injection Occurred Due to Deficient Procedures.Will Revise Surveillance Procedures,Will Review Prerequisites of All Im Procedures & Will Communicate Mgt Expectations to Personne  + (ML20196G824)
• 05000265/LER-1987-002-11, :on 870122,RCIC Turbine Outboard Bearing Flooded W/Oil & Turbine Inboard Oil Level Was Too Low.Caused by Mod Design Deficiency.Defective Bearing Replaced & Maint Procedure Will Be Developed  + (ML20196G826)
• ML20196G829  + (ML20196G829)
• ML20196G830  + (ML20196G830)
• 05000443/LER-1996-008, :on 961212,potential Loss of Automatic Actuation of EFWS Discovered.Caused by Limiting Single Failure of B Train Ssps Was Not Considered in Design of Efws.Operability Determination Was Performed  + (ML20196G831)
• ML20196G833  + (ML20196G833)
• ML20196G834  + (ML20196G834)
• ML20196G835  + (ML20196G835)
• ML20196G839  + (ML20196G839)
• ML20196G840  + (ML20196G840)
• ML20196G842  + (ML20196G842)
• ML20196G844  + (ML20196G844)
• 0CAN079706, Monthly Operating Repts for June 1997 for Arkansas Nuclear One,Units 1 & 2  + (ML20196G845)
• ML20196G847  + (ML20196G847)
• RC-97-0143, Monthly Operating Rept for June 1997 for VC Summer Nuclear Station  + (ML20196G848)