Browns Ferry with 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material |
WEEKMONTHYEARENS 561682022-10-18T19:40:00018 October 2022 19:40:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Standby Liquid Control Inoperable
ENS 542662019-09-11T00:34:00011 September 2019 00:34:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Due to Lightning Strike
ENS 533002018-03-29T18:44:00029 March 2018 18:44:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Due to Inoperability of Emergency Equipment Cooling Water Pump
ENS 532672018-03-16T05:00:00016 March 2018 05:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Affecting Residual Heat Removal System
ENS 530492017-11-01T19:25:0001 November 2017 19:25:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Design Deficiencies Identified During Engineering Review
ENS 529592017-09-10T16:51:00010 September 2017 16:51:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Two Control Bay Chillers Declared Inoperable
ENS 527072017-04-25T21:30:00025 April 2017 21:30:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Engineering Re-Evaluation of Tornado Impacts
ENS 524522016-12-21T17:20:00021 December 2016 17:20:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition - 480V Bus Voltage Lower than Analyzed
ENS 521502016-08-03T18:00:0003 August 2016 18:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Based on Review of National Fire Protection Association Requirements
ENS 501292014-05-21T22:21:00021 May 2014 22:21:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Standby Liquid Control Inoperable Due to Tank Inleakage
ENS 499542014-03-24T19:12:00024 March 2014 19:12:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Due to Postulated Fire-Induced Short
ENS 498662014-03-02T22:30:0002 March 2014 22:30:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Discovered a Postulated Hot Short of a Cable During Extent of Condition Review
ENS 496392013-12-16T23:00:00016 December 2013 23:00:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Potential for Spurious Start of Various Pumps During Postulated Fire Events
ENS 494062013-10-03T20:35:0003 October 2013 20:35:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Inadequate Shift Staffing to Support Implementation of Safe Shutdown Instructions
ENS 484672012-10-31T17:53:00031 October 2012 17:53:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Potentially Unable to Provide Power to Safe Shutdown Equipment During Appendix R Fire
ENS 484212012-10-18T18:14:00018 October 2012 18:14:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Fire Protection Review Identifies a Potential Unanalyzed Condition
ENS 480952012-07-11T20:20:00011 July 2012 20:20:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Cable Associated with 4Kv Shutdown Board Routed Incorrectly
ENS 480232012-06-13T22:45:00013 June 2012 22:45:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Declared Inoperable
ENS 479862012-06-01T14:00:0001 June 2012 14:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Cable Routing Error Could Fail Dc Control Power to Shutdown Board in a Fire
ENS 478342012-04-13T20:25:00013 April 2012 20:25:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Impacting Emergency Diesel Generator Loading
ENS 477872012-03-29T22:00:00029 March 2012 22:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Impacting Appendix R Separation Requirements
ENS 477842012-03-28T21:15:00028 March 2012 21:15:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition Discovered During Nfpa 805 Transition Impacting Emergency Diesel Generator Loading
ENS 476512012-02-08T19:35:0008 February 2012 19:35:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Scram Functionality May Be Degraded in a Appendix R Fire
ENS 473742011-10-25T20:34:00025 October 2011 20:34:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Deficiency Identified in Transition to Performance Based Standard for Fire Protection
ENS 468472011-05-12T23:25:00012 May 2011 23:25:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Loss of Shutdown Cooling
ENS 461632010-08-09T13:35:0009 August 2010 13:35:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor
Appendix R Safe Shutdown Instructions Do Not Contain Two Required Operator Manual Actions
ENS 476382010-05-11T06:00:00011 May 2010 06:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
ENS 453202009-09-01T21:09:0001 September 2009 21:09:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 452822009-08-21T14:52:00021 August 2009 14:52:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor
Logic for Common Accident Signal Is Flawed for Safe Shutdown Instruction
ENS 487242009-07-28T06:00:00028 July 2009 06:00:00
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition That Could Have Resulted in an Increased Maximum Flood Level
ENS 452272009-07-24T19:15:00024 July 2009 19:15:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Inoperable Due to Oil Leak in Mechanical Trip Hold Valve
ENS 444632008-09-04T04:43:0004 September 2008 04:43:00
10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Failure of Dampers to Auto Close
ENS 442522008-06-01T16:48:0001 June 2008 16:48:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Lube Oil Moisture Content Greater than Acceptable Limit
ENS 441862008-05-04T20:30:0004 May 2008 20:30:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Hpci Declared Inoperable
ENS 439402008-01-29T00:43:00029 January 2008 00:43:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Core Injection (Hpci) Inoperable
ENS 438152007-11-30T16:52:00030 November 2007 16:52:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Manual Hpci Isolation Due to Steam Leak Increase
ENS 438092007-11-28T08:30:00028 November 2007 08:30:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Inoperable Due to Level Switch Failure
ENS 435182007-07-24T21:45:00024 July 2007 21:45:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable Due to Failed Power Supply
ENS 433922007-05-28T06:00:00028 May 2007 06:00:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Pump Inoperable Due to Differential Pressure Setting Not within Specification
2022-10-18T19:40:00
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