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)(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 |
WEEKMONTHYEARENS 581222026-01-18T20:45:00018 January 2026 20:45:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 570362024-03-19T15:30:00019 March 2024 15:30:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Isolation
ENS 563212023-01-24T07:21:00024 January 2023 07:21:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 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 559922022-07-12T14:17:00012 July 2022 14:17:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 549832020-11-05T03:50:0005 November 2020 03:50:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 541622019-07-12T21:40:00012 July 2019 21:40:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Invalid Auto Isolation Signal of High Pressure Coolant Injection
ENS 539422019-03-17T12:35:00017 March 2019 12:35:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
En Revision Imported Date 4/24/2019
ENS 537502018-11-21T06:00:00021 November 2018 06:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
En Revision Imported Date 12/31/2018
ENS 534972018-07-09T05:00:0009 July 2018 05:00:00
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 533402018-04-17T09:16:00017 April 2018 09:16:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Inoperable
ENS 530142017-10-13T22:00:00013 October 2017 22:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Accident Mitigation - High Pressure Coolant Injection Declared Inoperable
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 525572017-02-16T16:52:00016 February 2017 16:52:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci System Inoperable Due to Blown Fuse
ENS 521132016-07-20T17:45:00020 July 2016 17:45:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 520192016-06-18T02:35:00018 June 2016 02:35:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Rendered Inoperable
ENS 519962016-06-08T15:37:0008 June 2016 15:37:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 513982015-09-16T07:00:00016 September 2015 07:00:00
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 Due to Valve Stem Packing Steam Leak
ENS 512502015-07-22T09:45:00022 July 2015 09:45:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Declared Inoperable
ENS 511532015-06-12T15:30:00012 June 2015 15:30:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Declared Inoperable
ENS 510662015-05-12T06:04:00012 May 2015 06:04:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Declared Inoperable
ENS 508122015-02-11T14:20:00011 February 2015 14:20:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Suction Path Isolation
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 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 493822013-09-24T20:30:00024 September 2013 20:30:00
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 Due to an Unqualified Electrical Splice
ENS 492082013-07-20T09:38:00020 July 2013 09:38:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci System Declared Inoperable
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 482002012-08-17T09:50:00017 August 2012 09:50:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Inadvertent Actuation of Primary Containment Isolation System
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 478532012-04-19T19:30:00019 April 2012 19:30:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Failed Trip Testing Surveillance
ENS 468702011-05-21T03:17:00021 May 2011 03:17:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Check Valve Leakage Results in System Leakage During Maintenance
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 460872010-07-12T18:10:00012 July 2010 18:10:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Inadvertently Isolated During Testing
ENS 460192010-06-16T17:58:00016 June 2010 17:58:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable
ENS 455052009-11-18T02:34:00018 November 2009 02:34:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Inadvertent Hpci Isolation
ENS 454942009-11-12T23:11:00012 November 2009 23:11:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Inoperable Due to Excessive Water in Steam Drain
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 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 449252009-03-21T09:06:00021 March 2009 09:06:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Unexpected Logic Lockout of Division I Rhr During Surveillance Testing
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
ENS 413482005-01-21T05:53:00021 January 2005 05:53:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection (Hpci) Declared Inoperable Based on Inability to Verify Hpci Keep Fill Function Required by Technical Specifications
2026-01-18T20:45:00
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