WEEKMONTHYEARENS 562862022-12-24T07:22:00024 December 2022 07:22:00
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 546072020-03-25T04:56:00025 March 2020 04:56:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Trip Due to Failure of a Rod Control Motor Generator
ENS 542112019-08-11T12:14:00011 August 2019 12:14:00
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 Feedwater Regulating Valve Malfunction
ENS 538522019-01-31T08:01:00031 January 2019 08:01:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip - Circulating Water Icing Conditions
ENS 536062018-09-14T04:00:00014 September 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
Automatic Reactor Trip Due to a Failure of the Steam Generator Feed Regulating Valve
ENS 533862018-05-07T07:25:0007 May 2018 07:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip
ENS 526812017-04-14T17:57:00014 April 2017 17:57:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unplanned Emergency Diesel Generator Start Due to Loss of a 4160 V Bus
ENS 522132016-08-31T19:11:00031 August 2016 19:11:00
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 Low Reactor Coolant Flow
ENS 520482016-06-28T08:23:00028 June 2016 08:23:00
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 Main Generator Protection Signal
ENS 517382016-02-16T13:27:00016 February 2016 13:27:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Auxiliary Feedwater Pump Auto Start Due to Feed Pump Trip
ENS 517342016-02-15T01:58:00015 February 2016 01:58:00
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 Main Generator Protection Trip
ENS 517082016-02-04T16:21:0004 February 2016 16:21:00
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 512902015-08-05T19:38:0005 August 2015 19:38:00
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 Low Reactor Coolant Flow
ENS 505502014-10-20T00:51:00020 October 2014 00:51:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Resulting in Aux Feedwater Actuation
ENS 500922014-05-07T08:56:0007 May 2014 08:56:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Trip Due to Generator Protection Relay
ENS 500322014-04-14T01:13:00014 April 2014 01:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip Due to Actuation of Main Generator Protection Relay
ENS 500122014-04-09T01:14:0009 April 2014 01:14:00
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 Following the Loss of an Operating Steam Generator Feed Pump (Sgfp)
ENS 497802014-01-31T15:01:00031 January 2014 15:01:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip
ENS 486172012-12-21T10:28:00021 December 2012 10:28:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unit 1 Automatic Reactor Trip on Turbine Trip
ENS 485342012-11-25T16:30:00025 November 2012 16:30:00
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 Steam Generator Feedwater Regulator Valve Not Responding to Demand Signal
ENS 484572012-10-30T05:09:00030 October 2012 05:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip from 100% Power
ENS 478742012-04-30T14:18:00030 April 2012 14:18:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Unusual Event Due to a Potential Fire in Containment
ENS 477662012-03-23T18:28:00023 March 2012 18:28:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Turbine Trip Followed by Automatic Reactor Trip
ENS 469922011-06-26T04:00:00026 June 2011 04:00:00
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 Loss of Reactor Coolant Pump
ENS 467742011-04-21T20:01:00021 April 2011 20:01:00
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 Circulating Water Pumps Out of Service
ENS 463372010-10-17T09:12:00017 October 2010 09:12:00
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 4 Kv Group Bus Undervoltage Condition
ENS 463362010-10-16T03:21:00016 October 2010 03:21:00
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
ENS 460752010-07-07T15:17:0007 July 2010 15:17:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Caused by Main Generator and Turbine Trip
ENS 458482010-04-16T20:41:00016 April 2010 20:41:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unplanned Emergency Diesel Generator Start Due to Loss of a 4160 V Bus
ENS 456472010-01-21T23:20:00021 January 2010 23:20:00
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 Water Level
ENS 456042010-01-03T13:04:0003 January 2010 13:04:00
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 Circulators After Uptake of River Ice
ENS 446292008-11-05T05:57:0005 November 2008 05:57:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Emergency Diesel Generator Start Due to Unexpected Esf Signal
ENS 438732007-12-28T22:54:00028 December 2007 22:54:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Trip on Failure of Station Power Transformer
ENS 435502007-08-06T17:10:0006 August 2007 17:10:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip Due to Spurious Interlock Signal to Feedwater Regulating Valves
ENS 433822007-05-24T06:32:00024 May 2007 06:32:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip on Low Steam Generator Water Level
ENS 433292007-04-30T19:02:00030 April 2007 19:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Trip Due to Grass Intrusion Into Circulating Water Intake Structure
ENS 433172007-04-25T02:48:00025 April 2007 02:48:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Trip Due to Loss of Circulators
ENS 432592007-03-28T00:50:00028 March 2007 00:50:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Low Steam Generator Water Level Initiated Auxiliary Feedwater Signal and a Reactor Trip Signal
ENS 429462006-10-30T01:11:00030 October 2006 01:11:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Start of Auxiliary Feedwater During Msiv Testing
ENS 428642006-09-26T19:13:00026 September 2006 19:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Reactor Coolant Pump Seal Leakage.
ENS 423952006-03-08T16:09:0008 March 2006 16:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip as a Result of a Turbine Generator Trip
ENS 410282004-09-09T05:06:0009 September 2004 05:06:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Turbine Trip/Reactor Trip
ENS 408752004-07-15T23:44:00015 July 2004 23:44:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Trip from 8% Power Due to Lowering Water Level on 23 Steam Generator
ENS 408652004-07-13T17:05:00013 July 2004 17:05:00
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 Low Low Steam Generator Water Level.
ENS 406652004-04-11T04:23:00011 April 2004 04:23:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Plant Had a Valid Esf Signal to Start 1C Emergency Diesel Generator
ENS 406392004-04-03T15:50:0003 April 2004 15:50:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Valid Actuation of Auxiliary Feedwater System During Maintenance
ENS 403502003-11-23T10:19:00023 November 2003 10:19:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Was Manually Tripped After a Control Rod Dropped During Low Power Physics
ENS 397132003-03-29T09:42:00029 March 2003 09:42:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
2022-12-24T07:22:00
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