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 Issue dateTitleTopic
ML22021B55121 January 2022Compensatory Measures Not Implemented Per Site'S Physical Security Plan Due to Multiplexer (Mux) Power Supply Failure
05000219/LER-2017-0053 January 20181 OF 3
LER 17-005-00 for Oyster Creek Nuclear Generating Station Regarding Failure of the Emergency Diesel Generator #2 During Surveillance Testing Due to a Broken Electrical Connector
Safe Shutdown
Mission time
05000219/LER-2017-00331 August 2017Automatic Scram while Suberitical due to Low Reactor Level
LER 17-003-00 for Oyster Creek Regarding Automatic Scram while Subcritical due to Low Reactor Level
05000219/LER-2017-00231 August 2017Manual Reactor Scram due to Degrading Main Condenser Vacuum
LER 17-002-00 for Oyster Creek Regarding Manual Scram due to Degraded Main Condenser Vacuum
05000219/LER-2016-00223 June 2017Control Rod Drive Cooling Water System Isolation Scram Time Testing Was Not Performed
LER 16-002-01 for Oyster Creek Regarding Control Rod Drive Cooling Water System Isolation Scram Time Testing Was Not Performed
Time of Discovery
Shutdown Margin
05000219/LER-2017-0013 May 2017Automatic SCRAM due to APRM High Flux during Turbine Valve Testing
LER 17-001-01 for Oyster Creek, Regarding Transfer of Automatic SCRAM due to APRM High Flux during Turbine Valve Testing
ML17129A6033 May 2017LER 16-S01-01 for Oyster Creek, Regarding Special Nuclear Material Discovered Outside of Material Access AreaTime of Discovery
05000219/LER-2016-00124 January 20171 OF 4
LER 16-001-01 for Oyster Creek Nuclear Generating Station Regarding Failure of the #1 Emergency Diesel Generator During Surveillance Testing due to a Cooling Water System Leak
Safe Shutdown
RA-16-107, LER 16-S01-00 for Oyster Creek Nuclear Generating Station Regarding Special Nuclear Material Discovered Outside of Material Access Area5 December 2016LER 16-S01-00 for Oyster Creek Nuclear Generating Station Regarding Special Nuclear Material Discovered Outside of Material Access AreaTime of Discovery
05000219/LER-2016-00517 November 2016Technical Specification Prohibited Condition Caused by One Electromatic Relief Valve Inoperable for Greater than Allowed Outage Time
LER 16-005-00 for Oyster Creek Nuclear Generating Station Regarding Technical Specification Prohibited Condition Caused by One Electromatic Relief Valve Inoperable for Greater than Allowed Outage Time
05000219/LER-2016-00329 June 2016Manual SCRAM Inserted due to Leakage from the D' Reactor Recirculation Pump Seal
LER 16-003-00 for Oyster Creek, Unit 1, Regarding Manual SCRAM Inserted due to Leakage from the 'D' Reactor Recirculation Pump Seal
RA-16-001, Special Report for Inoperability of the Turbine Building High Range Radioactive Noble Gas Monitor15 January 2016Special Report for Inoperability of the Turbine Building High Range Radioactive Noble Gas Monitor
ML10155057026 August 2009Event Notification for Oyster Creek on Offsite Notification Due to a Water Leak Containing Tritium
ML09320062524 July 2009NRC Operations Center Event Report - Oyster Creek
ML10155056715 April 2009Event Notification for Oyster Creek on Offsite Notification Due to Potential Release of Tritium
ML05061071316 February 2005LER 04-03-001 Oyster Creek, Unit 1, Regarding Actuation of Reactor Protection System Due to Spurious Hi-Hi Trip Signals on Intermediate Range Monitors Caused by Electromagnetic Interference