Category:Licensee Event Report

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list of LER


 SiteLER yearLER numberEvent dateReporting criterion
05000000/LER-1950-237, Updated LER 50-237/01L:on 760406,unacceptable Ultrasonic Indication Found on Isolation Condenser safe-end.Caused by Cracks in safe-ends.Cracked safe-end Removed & Sent to Bmcl for Metallographic AnalysisDresden
Surry
05000000
2,050237
05000000/LER-1975-004, Forwards LER 75-004-00.Conclusions of Investigation Will Be Submitted in 10-day ReptPilgrim
05000000
2,0754
05000000/LER-1977-005, Updated LER 77-005/1T:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculation TechniquesPeach Bottom
05000000
2,0775
05000000/LER-1985-035, Forwards LER 85-035-00 Re Physical Security EventWolf Creek
05000000
2,08535
05000000/LER-1985-078, Forwards Revised LER 85-078-01 Re Physical Security EventWolf Creek
05000000
2,08578
05000000/LER-1985-083, Forwards LER 85-083-01.Rept Contains Safeguards InfoWolf Creek
05000000
2,08583
05000000/LER-1986-001, Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely DeletedMillstone
05000000
2,0861
05000000/LER-1986-002, Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan InitiatedMillstone
05000000
2,0862
05000000/LER-1986-003, Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action WithheldMillstone
05000000
2,0863
05000000/LER-1986-004, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of CauseMillstone
05000000
2,0864
05000000/LER-1986-007, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design CorrectedMillstone
05000000
2,0867
05000000/LER-1986-008, Forwards LER 86-008-00Salem
05000000
2,0868
05000000/LER-1986-009, Ro:On 860312,discovered That LER 2-86-04 & LER 86-009 Not Submitted to Nrc.Caused by Misplaced Repts.Repts Telecopied to Nrc.Procedure for Distribution of Repts RevisedPeach Bottom
Limerick
05000000
2,0869
05000000/LER-1986-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested SatisfactorilyMillstone
05000000
2,08611
05000000/LER-1986-012, Partially Deleted LER 86-012-00:on 860412,breach Discovered in Protected Area Barrier.Caused by Personnel Error. Personnel CounseledMillstone
05000000
2,08612
05000000/LER-1986-013, Partially Deleted LER 86-013-00:on 860414,vital Area Door W/O Alarm Capability Discovered.Caused by Personnel Error. Personnel Removed from Shift & Vital Area Checked for Unauthorized Personnel W/None Being FoundMillstone
05000000
2,08613
05000000/LER-1986-014, Partially Deleted LER 86-014-00:on 860421,bomb Threat Received by Security Officer in Security Assembly Room. Cause Not Applicable.Actions Taken to Minimize Station Threat & Investigation UnderwayMillstone
05000000
2,08614
05000000/LER-1986-015, Partially Deleted LER 86-015-00:on 860428,stationary Side of Door Failed to Alarm When Tested.Cause Withheld.Alarm RepairedMillstone
05000000
2,08615
05000000/LER-1986-016, Partially Deleted LER 86-016-00:on 860501,vital Area Door Discovered W/O Alarm Capabilities.Caused by Access Control Security Officer Asleep at Post.Determination to Suspend or Discontinue Employment Being MadeMillstone
05000000
2,08616
05000000/LER-1986-018, Forwards LER 86-018-00Millstone
05000000
2,08618
05000000/LER-1986-020, Partially Deleted LER 86-020-00:on 860812,security Sys Experienced Loss of Power.Caused Withheld.Numerous Failures Experienced Until Machine a Designated as Prime.Procedures to Reboot Computers RevisedMillstone
05000000
2,08620
05000000/LER-1986-021, Partially Deleted LER 86-021-00:on 860911,vital Area Doors Failed to Alarm When Tested During Surveillance.Caused by Failure to Report Door Transactions to Host Computer.Central Procesing Unit Board ReplacedMillstone
05000000
2,08621
05000000/LER-1986-022, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper OperationMillstone
05000000
2,08622
05000000/LER-1986-023, Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under InvestigationMillstone
05000000
2,08623
05000000/LER-1986-024, Partially Deleted LER 86-024-00:on 861113,attempted Introduction of Unauthorized Weapon Into Protected Area Discovered.Caused by Personnel Attempt to Enter Plant W/ Concealed Gun.Personnel Denied Facility AccessMillstone
05000000
2,08624
05000000/LER-1986-026, Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant ReviewedMillstone
05000000
2,08626
05000000/LER-1986-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs PostedMillstone
05000000
2,08630
05000000/LER-1986-031, Forwards LER 86-031-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21)Wolf Creek
05000000
2,08631
05000000/LER-1986-045, Forwards LER 86-045-00 Re Physical Security Event.Rept Withheld (Ref 10CFR73.21)Wolf Creek
05000000
2,08645
05000000/LER-1986-049, Forwards LER 86-049-00 Re Physical Security Event.Encl Withheld (Ref 10CFR73.21)Wolf Creek
05000000
2,08649
05000000/LER-1986-052, Partially Withheld LER 86-052-01:on 860926,security Data Mgt Sys Computer Terminals Became Inoperable (Ref 10CFR73.21). Caused by Overload of Alarms & Sys Instability.Sys Restored by Placing Sys Multiplexers OnlineWolf Creek
05000000
2,08652
05000000/LER-1986-054, Forwards LER 86-054-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21)Wolf Creek
05000000
2,08654
05000000/LER-1986-055, Forwards LER 86-055-00 Re Physical Security Event.Withheld (Ref 10CFR73.21)Wolf Creek
05000000
2,08655
05000010/LER-1978-028, Forwards LER 78-028/03L-0Dresden2,07828
05000010/LER-1995-001, Provides Addl Info Re Commitments in LER 95-01 to Submit Amend Request.Ts Amend Request Will Be Submitted No Later than 961127Dresden2,0951
05000010/LER-1997-001, Forwards LER 97-001-00.Commitments Made by Util,ListedDresden2,0971
05000016/LER-1998-001, Submits Voluntary LER 98-001 Containing Info of Interest to NRC Which Did Not Specifically Meet Reporting Criteria of Section I.8 of Fermi 1 Ts.Notification Was Made on 980409. Commitment Is Made to Submit Rev to Fermi 1 SARFermi2,0981
05000029/LER-1977-033, Forwards LER 77-033/03L-0Yankee Rowe2,07733
05000029/LER-1977-035, Forwards LER 77-035/03L-0Yankee Rowe2,07735
05000029/LER-1982-009, Forwards LER 82-009/03L-0Yankee Rowe2,0829
05000029/LER-1982-010, Forwards LER 82-010/03L-0Yankee Rowe2,08210
05000029/LER-1982-011, Forwards LER 82-011/03L-0Yankee Rowe2,08211
05000029/LER-1982-012, Forwards LER 82-012/03L-0Yankee Rowe2,08212
05000029/LER-1982-013, Forwards LER 82-013/03L-0Yankee Rowe2,08213
05000029/LER-1982-016, Forwards LER 82-016/03L-0Yankee Rowe2,08216
05000029/LER-1982-017, Forwards LER 82-017/03L-0Yankee Rowe2,08217
05000029/LER-1982-019, Forwards LER 82-019/03L-0Yankee Rowe2,08219
05000029/LER-1982-020, Forwards LER 82-020/03L-0Yankee Rowe2,08220
05000029/LER-1984-011, Forwards LER 84-011-02Yankee Rowe2,08411
05000029/LER-1985-001, Forwards LER 85-001-01Yankee Rowe2,0851
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Pages in category "Licensee Event Report"

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