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 Issue dateTitleTopic
05000364/LER-2017-00511 January 2018Power Range Nuclear Instrument Inoperable Due to Poor Connection of High Voltage Cable Connector
LER 17-005-00 for Joseph M. Farley Nuclear Plant, Unit 2, Regarding Power Range Nuclear Instrument Inoperable Due to Poor Connection of High Voltage Cable Connector
05000364/LER-2017-00422 December 2017I OF 3
LER 17-004-00 for Joseph M. Farley Nuclear Plant, Unit 2 Regarding Turbine-Driven Auxiliary Feedwater Pump Steam Admission Valve Air Leak Resulted in a Condition Prohibited by Technical Specifications
05000364/LER-2017-00320 December 2017Pressurizer Safety Valve Lift Pressure Outside of Technical Specifications Limits
LER 17-003-00 for Joseph M. Farley, Unit 2, Regarding Pressurizer Safety Valve Lift Pressure Outside of Technical Specifications Limits
Time of Discovery
05000364/LER-2017-00219 December 2017Main Steam Safety Valve Lift Pressure Outside of Technical Specifications Limits
LER 17-002-00 for Joseph M. Farley, Unit 2, Regarding Main Steam Safety Valve Lift Pressure Outside of Technical Specifications Limits
05000364/LER-2017-00121 August 20172B Emergency Diesel Generator Rendered Inoperable Due to a Jacket Water Leak without Makeup Capability
LER 17-001-00 for Farley, Unit 2, Regarding 28 Emergency Diesel Generator Rendered Inoperable Due to a Jacket Water Leak without Makeup Capability
Mission time
Past operability
05000348/LER-2016-0077 June 2017Plant Shutdown Required by Technical Specifications due to Inoperable Steam Flow Transmitters
LER 16-007-01 for Joseph M. Farley, Unit 1, Regarding Plant Shutdown Required by Technical Specifications due to Inoperable Steam Flow Transmitters
05000348/LER-2016-0092 February 2017Tornado Missile Vulnerabilities Result in Condition Prohibited by Technical Specifications
LER 16-009-00 for Joseph M. Farley Nuclear Plant, Units 1 and 2 Regarding Tornado Missile Vulnerabilities Result in Condition Prohibited by Technical Specifications
Safe Shutdown
Unanalyzed Condition
Time of Discovery
Tornado Missile
Enforcement Discretion
Tornado-Generated Missile
Tornado Generated Missile
Tornado Missile Protection
TORMIS
05000348/LER-2016-00823 January 2017Manual Reactor Trip Due to Generator Voltage Swings
LER 16-008-00 for Farley, Unit 1, Regarding Manual Reactor Trip Due to Generator Voltage Swings
05000348/LER-2016-00528 December 2016Toxic Gas Event
LER 16-005-00 for Joseph M. Farley Nuclear Plant, Unit 1, Regarding Toxic Gas Event
Safe Shutdown
Fire Watch
05000348/LER-2016-00619 December 2016Manual Reactor Trip due to Loss of Speed Control on 1A Steam Generator Feed Pump
LER 16-006-00 for Joseph M. Farley Nuclear Plant, Unit 1 Regarding Manual Reactor Trip due to Loss of Speed Control on 1A Steam Generator Feed Pump
05000348/LER-2016-00419 December 2016Unapproved Environmental Qualification Material Caused Inoperability of One Containment Cooling Train
LER 16-004-00 for Joseph M. Farley Nuclear Plant, Unit 1, Regarding Unapproved Environmental Qualification Material Caused lnoperability of One Containment Cooling Train
05000348/LER-2016-00312 December 2016Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band
LER 16-003-00 for Farley, Unit 1, Regarding Pressurizer Safety Valve Setpoint Pressure Outside of Technical Specification Tolerance Band
Boric Acid
Time of Discovery
05000348/LER-2016-00230 November 2016Automatic Reactor Trip and Safety Injection Due to Closure of Main Steam Isolation Valve
LER 16-002-00 for Joseph M. Farley Nuclear Plant, Unit 1 Regarding Automatic Reactor Trip and Safety Injection Due to Closure of Main Steam Isolation Valve
05000348/LER-2016-0019 June 2016Condition Prohibited by Technical Specifications Due to 600V Load Center Inoperable Longer than Allowed by Technical Specifications
LER 16-001-00 for Farley, Unit 1, Regarding Condition Prohibited by Technical Specifications Due to 600V Load Center Inoperable Longer than Allowed by Technical Specifications
05000364/LER-2015-00113 January 2016Turbine Driven Auxiliary Feedwater Pump in a Condition Prohibited by Technical Specifications due ,to a Design Issue
LER 15-001-01 for Farley, Unit 2, Regarding Turbine Driven Auxiliary Feedwater Pump in a Condition Prohibited by Technical Specifications Due to a Design Issue
Past operability
Temporary Modification
NL-13-1525, Special Report 13-001-00 for Joseph M. Farley, Unit 2, Regarding Nonfunctional Radiation Monitor R-60B26 July 2013Special Report 13-001-00 for Joseph M. Farley, Unit 2, Regarding Nonfunctional Radiation Monitor R-60B
NL-11-2445, LER 11-S01-00 for Joseph M. Farley, Unit 1 Regarding Loss of Power to Security Systems9 January 2012LER 11-S01-00 for Joseph M. Farley, Unit 1 Regarding Loss of Power to Security Systems
NL-08-0756, Special Report 2008-002-00, Inoperable Radiation Monitor R-60B9 May 2008Special Report 2008-002-00, Inoperable Radiation Monitor R-60B
NL-08-0659, Special Report 2008-001-00, Inoperable Radiation Monitor R-29B25 April 2008Special Report 2008-001-00, Inoperable Radiation Monitor R-29B
NL-05-2234, Special Report No. 2005-001-00 for Joseph M. Farley Nuclear Plant - Unit 1 Re Inoperable Radiation Monitor R-60B6 December 2005Special Report No. 2005-001-00 for Joseph M. Farley Nuclear Plant - Unit 1 Re Inoperable Radiation Monitor R-60B