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 SiteStart dateReporting criterionSystemTopic
05000219/LER-1983-001, Forwards LER 83-001/03L-0.Detailed Event Analysis EnclOyster Creek25 February 1983
05000219/LER-1983-002, Forwards LER 83-002/03L-0.Detailed Event Analysis EnclOyster Creek4 March 1983Emergency Diesel Generator
05000219/LER-1983-003, Forwards LER 83-003/03L-0.Detailed Event Analysis EnclOyster Creek15 February 1983Core Spray
Control Rod
Reactor Vessel Water Level
05000219/LER-1983-005, Forwards LER 83-005/03L-0.Detailed Event Analysis EnclOyster Creek4 March 1983Primary containment
Containment Spray
05000219/LER-1983-006, Forwards LER 83-006/03L-0.Detailed Event Analysis EnclOyster Creek4 March 1983Secondary containment
Standby Gas Treatment System
05000219/LER-1983-008, Forwards LER 83-008/03L-0.Detailed Event Analysis EnclOyster Creek12 April 1983Core Spray
05000219/LER-1983-009, Forwards LER 83-009/01T-0.Detailed Event Analysis EnclOyster Creek15 March 1983Main Steam Isolation Valve
Main Steam
05000219/LER-1983-010, Forwards LER 83-010/01T-0.Detailed Event Analysis EnclOyster Creek23 March 1983Standby Gas Treatment System
05000219/LER-1983-011, Forwards LER 83-011/03L-0.Detailed Event Analysis EnclOyster Creek23 March 1983Secondary containment
Standby Gas Treatment System
05000219/LER-1983-012, Forwards LER 83-012/01T-0.Detailed Event Analysis EnclOyster Creek4 April 1983Secondary containment
Main Steam Line
05000219/LER-1983-013, Forwards LER 83-013/01T-0.Detailed Event Analysis EnclOyster Creek8 April 1983Secondary containment
05000219/LER-1983-014, Forwards LER 83-014/01T-0.Detailed Event Analysis EnclOyster Creek20 April 1983Standby Gas Treatment System
05000219/LER-1984-020, Errata to LER 84-020-01,consisting of Page 4 Re Corrective Actions.Preventive Maint Request Initiated to Store Overload Devices in Vertical PositionOyster Creek23 September 1985
05000219/LER-1985-018, Responds to 860106 Request for Reevaluation of long-term Corrective Actions Re LER 85-018, Emergency Svc Water Pipe Coating Failure. Util Intends to Optically Inspect Essential Svc Water Sys on Refueling Outage BasisOyster Creek15 September 1986Service water
05000219/LER-1986-001, Responds to Request for Info Re Reactor Protection Sys Switch Replacement Per Amend 95 to License DPR-16 & LER 86-01.Static-o-ring Switches Will Be Replaced.Tech Spec Change Request Will Be Submitted by 860815Oyster Creek27 May 1986Reactor Protection System
05000219/LER-1987-030, Forwards Rev 1 to LER 87-030.Event Date Incorrectly Reported in Two Places on LER Due to Administrative OversightOyster Creek5 November 1987
05000219/LER-1988-013, Responds to NRC Request for Addl Info Re LER 88-013, MSIV Failure Caused by MSIV Poppet Vibration Dtd 880808.All Four MSIVs Will Be Tested in Two Refueling Cycles.Penetrant Testing Will Be Performed Anytime Valve Stem RemovedOyster Creek9 February 1989Main Steam Isolation Valve
05000219/LER-1989-025, Responds to 901002 Safety Evaluation Re 891216 Event Involving Two Control Rods Moving at Same Time Reported Via LER 89-025.Mod to Reduce Probability of Simultaneous Control Rod Withdrawal Will Be Installed in 13R Refueling OutOyster Creek11 January 1991Control Rod
05000219/LER-1990-008Oyster Creek23 July 1990Reactor Protection System
Main Condenser
05000219/LER-1993-006, Informs of Change to Submission Date for LER 93-006, Supplemental Rept to 941231Oyster Creek25 March 1994
05000219/LER-1997-004, Adds Oyster Creek Nuclear Generating Station Rwcs Valve V-16-2 to Scope of GL 89-10,suppl 3 Valves IAW Corrective Actions Identified in LER 97-04,dtd 970425.Description Design Basis Conditions Established for RWCU Valve,EnclOyster Creek5 November 1997Reactor Coolant System
Feedwater
Reactor Water Cleanup
Stroke time
05000219/LER-1998-011, Forwards LER 98-011-02, Three Small Bore Pipe Lines Did Not Meet Design Bases for Siesmic & Thermal Allowables. Engineering Std Will Not Be Completed Until End of 4th Quarter of 1999 Due to Scheduling ConflictsOyster Creek30 September 1999
05000219/LER-1998-012, Forwards LER 98-012-00 Re Actuation of ESF by Test Instrument,Due to Inadequate Procedure.Event Did Not Impact Health & Safety of PublicOyster Creek16 October 1998
05000219/LER-1998-015, Forwards LER 98-015-01,as Original Submittal on 981028 Inadvertently Indicated That Suppl Would Be Submitted.Suppl Should Not Have Been Required as Only Change Is on Cover PageOyster Creek5 April 1999
05000219/LER-2001-00110 CFR 50.73(a)(2)(i)Standby Gas Treatment System
Containment Spray
05000219/LER-2002-001Docket Number10 CFR 50.73(a)(2)(i)Main Steam Line
Main Condenser
05000219/LER-2002-00210 CFR 50.73(a)(2)(i)Main Steam Isolation Valve
Primary containment
Main Steam Line
05000219/LER-2002-003Oyster Creek10 October 200210 CFR 50.73(a)(2)(ii)Time of Discovery
Fire Barrier
Continuous fire watch
Fire Watch
05000219/LER-2003-001Fitness for Duty
05000219/LER-2003-002Service water
Reactor Protection System
Primary containment
Core Spray
Standby Gas Treatment System
Containment Spray
05000219/LER-2003-003Docket Number10 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Main Steam Isolation Valve
Main Turbine
Shutdown Cooling
Reactor Recirculation Pump
05000219/LER-2003-004Docket Number10 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Main Turbine
Shutdown Cooling
Reactor Recirculation Pump
05000219/LER-2004-00117 May 2004Emergency Diesel GeneratorTime of Discovery
Significance Determination Process
05000219/LER-2004-00214 May 2004Primary containmentFuel cladding
05000219/LER-2004-004Docket Number09 01 2004 2004 - 004 - 00 10 01 20041 September 2004Control Rod
05000219/LER-2004-005Docket Number10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical SpecificationsMain Steam Isolation Valve
Primary containment
Main Steam Line
Half scram
Flow Induced Vibration
05000219/LER-2004-006Docket Number11 05 ' 2004 2004 - , : 006 -'1, 00 0 04 200510 CFR 50.73(a)(2)(i)(B), Prohibited by Technical SpecificationsMain Steam Isolation Valve
Primary containment
Main Steam Line
05000219/LER-2004-007Docket Number11 22 2004 20042- 007 - 00 01 21 2005Primary containment
05000219/LER-2005-001Docket Number03 18 2005 2005 - 001 - 01 08 04 200518 March 2005Reactor Protection System
Control Rod
05000219/LER-2005-002Docket Number06 01 2005 2005 - 002 - '00 07 29 200518 March 200510 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Control Rod
05000219/LER-2005-005Docket Number10 13 2005 2005 5 - 00 12 12 200513 October 200510 CFR 50.73(a)(2)(i)(B), Prohibited by Technical SpecificationsReactor Pressure Vessel
Main Steam Line
05000219/LER-2006-001Docket Number05 06 2006 2006 - 001 - 00 07 05 20066 May 200610 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Control Rod
05000219/LER-2006-002Docket Number06 20 2006 2006 - 002 - 01 09 22 200620 June 2006Reactor Protection System
Main Steam Isolation Valve
Primary containment
Reactor Pressure Vessel
Main Steam Line
Stroke time
05000219/LER-2006-003Docket Number10 16 2006' 2006 - 003 - 00 2, 13 200610 CFR 50.73(a)(2)(i)(B), Prohibited by Technical SpecificationsMain Steam Isolation Valve
Main Steam Line
05000219/LER-2006-004Core Spray
Automatic Depressurization System
05000219/LER-2007-001Oyster Creek7 January 200710 CFR 50.73(a)(2)(iv)(A), System ActuationFeedwater
Reactor Protection System
Shutdown Cooling
Reactor Recirculation Pump
Core Spray
Standby Gas Treatment System
Containment Spray
Reactor Vessel Water Level
05000219/LER-2007-002Docket Number07 20 :' 2007 2007 - 002 - 00 •• 09 18.• •2007...10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical SpecificationsReactor Protection System
Intermediate Range Monitor
Control Rod
05000219/LER-2007-003Docket Number19 December 2007Main CondenserProbabilistic Risk Assessment
05000219/LER-2008-001Oyster Creek10 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Main Transformer
05000219/LER-2009-0011 February 200910 CFR 50.73(a)(2)(iv)(A), System ActuationReactor Protection System
Main Transformer