WEEKMONTHYEARENS 577342025-05-28T16:53:00028 May 2025 16:53:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip and Auxiliary Feedwater Actuation
ENS 573262024-09-17T05:27:00017 September 2024 05:27:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Automatic Reactor Trip and Manual Safeguards Actuation
ENS 572152024-07-09T01:25:0009 July 2024 01:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Manual Reactor Trip and Automatic Safeguards Actuation
ENS 571642024-06-05T20:48:0005 June 2024 20:48:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip
ENS 566922023-08-22T21:24:00022 August 2023 21:24:00
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip and Automatic Actuation of Auxiliary Feedwater System
ENS 566322023-07-21T15:48:00021 July 2023 15:48:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip
ENS 566142023-07-09T17:28:0009 July 2023 17:28:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip
ENS 564972023-05-02T08:23:0002 May 2023 08:23:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip
ENS 564602023-04-10T04:48:00010 April 2023 04:48:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip
ENS 564142023-03-16T01:57:00016 March 2023 01:57:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip
ENS 558752022-05-03T19:41:0003 May 2022 19:41:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip and Automatic Actuation of Auxiliary Feedwater System
ENS 549952020-11-12T22:32:00012 November 2020 22:32:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip Due to Turbine Trip
ENS 541752019-07-19T13:45:00019 July 2019 13:45:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Main Steam Isolation Valve Failing Shut
ENS 539672019-03-31T01:30:00031 March 2019 01:30:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Msiv Failing Closed
ENS 534842018-07-03T04:00:0003 July 2018 04:00:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to High Steam Generator Water Level
ENS 525342017-02-03T20:45:0003 February 2017 20:45:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unit 1 Manual Reactor Trip Due to Loop 1 Msiv Starting to Fail Closed
ENS 519562016-05-25T06:06:00025 May 2016 06:06:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip on Lowering Steam Generator Water Level
ENS 508932015-03-14T08:29:00014 March 2015 08:29:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Automatic Reactor Trip on System Injection Actuation Signal
ENS 505262014-10-12T13:44:00012 October 2014 13:44:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip During Reactor Startup
ENS 503142014-07-27T18:09:00027 July 2014 18:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Loss of Main Feed Pump During Testing
ENS 500312014-04-13T00:08:00013 April 2014 00:08:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Main Steam Isolation Valve Failing Shut
ENS 500062014-04-08T08:28:0008 April 2014 08:28:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Low Steam Generator Level
ENS 494612013-10-22T15:44:00022 October 2013 15:44:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Decreasing Condenser Vacuum
ENS 494532013-10-19T10:43:00019 October 2013 10:43:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Turbine Trip
ENS 487882013-02-27T04:02:00027 February 2013 04:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Excessive Reactor Coolant Pump Seal Leakoff Flow
ENS 478362012-04-14T17:46:00014 April 2012 17:46:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Low Main Feedwater Flow
ENS 472242011-08-31T13:06:00031 August 2011 13:06:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Turbine Trip on Hi-Hi Steam Generator Level Results in Automatic Reactor Trip
ENS 467722011-04-20T21:34:00020 April 2011 21:34:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip
ENS 455882009-12-23T20:25:00023 December 2009 20:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Rps Actuation Due to Loss of Instrument Air
ENS 455572009-12-10T04:10:00010 December 2009 04:10:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Scram Following High Turbine Vibration
ENS 455472009-12-07T23:01:0007 December 2009 23:01:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to a Turbine Trip Caused by Low Condenser Vacuum
ENS 433132007-04-23T14:24:00023 April 2007 14:24:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Generator Ground Relay Actuation
ENS 428062006-08-27T10:31:00027 August 2006 10:31:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Reactor Coolant Pump Trip
ENS 425062006-04-17T04:26:00017 April 2006 04:26:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unit 1 Manually Tripped Due to Failure of a Main Feed Regulating Valve to Control Steam Generator Level
ENS 420582005-10-17T22:16:00017 October 2005 22:16:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Low Steam Generator Level
ENS 416532005-04-30T01:55:00030 April 2005 01:55:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip - Lowering Steam Generator Level on Loop #1
ENS 413232005-01-11T12:19:00011 January 2005 12:19:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Main Turbine Trip
ENS 412132004-11-20T16:40:00020 November 2004 16:40:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Unexpected Automatic Reactor Trip During Surveillance Testing with Si Injection
ENS 406152004-03-28T03:05:00028 March 2004 03:05:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Loss of Feedwater Pump Speed Control
2025-05-28T16:53:00
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