WEEKMONTHYEARENS 572982024-08-30T15:51:00030 August 2024 15:51:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Specified System Actuation - Automatic Start of Diesel Generators
ENS 570902024-04-25T03:15:00025 April 2024 03:15:00
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 Scram with Eccs Actuation
ENS 569902024-02-24T08:19:00024 February 2024 08:19:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Start of Emergency Diesel Generator
ENS 565312023-05-20T08:15:00020 May 2023 08:15:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram
ENS 547952020-07-21T09:35:00021 July 2020 09:35:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Biofouling of Intake Structure Leads to Manual Reactor Scram of Unit 1
ENS 547942020-07-20T18:25:00020 July 2020 18:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Biofouling of Intake Structure Leads to Manual Reactor Scram of Unit 2 and Downpower of Units 1 & 3
ENS 545592020-03-03T10:16:0003 March 2020 10:16:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Emergency Diesel Generator Actuation
ENS 543022019-10-01T08:07:0001 October 2019 08:07:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram During Reactor Startup
ENS 539232019-03-10T04:59:00010 March 2019 04:59:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Scram Resulting in Rps and Eccs Actuation
ENS 532692018-03-18T16:58:00018 March 2018 16:58:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Turbine Control Valve Closure
ENS 531622018-01-10T15:28:00010 January 2018 15:28:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Turbine Control Valve Fast Closure Scram Signal
ENS 526482017-03-29T23:44:00029 March 2017 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 Scram Initiated During Startup
ENS 518782016-04-22T18:59:00022 April 2016 18:59:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Partial Loss of Power Experienced During Electrical Bus Transfer
ENS 513332015-08-20T15:32:00020 August 2015 15:32:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Start of an Emergency Diesel Generator on Low Bus Voltage
ENS 504042014-08-26T22:30:00026 August 2014 22:30:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Turbine Generator Neutral Overvoltage Causes a Reactor Scram
ENS 500902014-05-06T13:30:0006 May 2014 13:30:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Low Reactor Water Level During Instrument Testing
ENS 499282014-03-19T03:52:00019 March 2014 03:52:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram Due to Failure to Control Main Turbine Moisture Separator Level
ENS 488292013-03-19T09:02:00019 March 2013 09:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to Lowering Condenser Vacuum
ENS 487822013-02-25T19:13:00025 February 2013 19:13:00
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)(i), Tech Spec Required Shutdown
Automatic Scram Due to a Turbine Trip from a Loss of Condenser Vacuum
ENS 489042013-02-11T11:13:00011 February 2013 11:13:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Initiation of Reactor Core Isolation Cooling System
ENS 486232012-12-22T17:52:00022 December 2012 17:52:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Loss of Power to the Reactor Protection System
ENS 479722012-05-29T08:31:00029 May 2012 08:31:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Main Generator Load Reject Signal
ENS 479552012-05-24T11:39:00024 May 2012 11:39:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram During Startup
ENS 479422012-05-22T07:49:00022 May 2012 07:49:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Scram Due to Reactor Protection System Being De-Energized
ENS 472992011-09-28T09:14:00028 September 2011 09:14:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to a Turbine Trip
ENS 471302011-08-06T11:17:0006 August 2011 11:17:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
Initiation of Technical Specification Required Shutdown
ENS 468722011-05-22T22:37:00022 May 2011 22:37:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Valid Reactor Protection System (Rps) Actuation Signal - Scram Discharge Volume (Sdv) High Water Level
ENS 468052011-05-02T11:26:0002 May 2011 11:26:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Specified System Actuation Due to a Emergency Diesel Generator Output Breaker Trip
ENS 468012011-04-29T04:38:00029 April 2011 04:38:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Primary Containment Isolation System Actuation Due to Loss of Power from a Diesel Generator
ENS 467932011-04-27T22:01:00027 April 2011 22:01:00
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)(3)(xiii), Loss of Emergency Preparedness
Notification of Unusual Event Due to Loss of Offsite Power
ENS 465112010-12-26T22:20:00026 December 2010 22:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to High Vibration on Main Generator Exciter
ENS 459902010-06-09T08:31:0009 June 2010 08:31:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram Due to Closure of Main Steam Isolation Valves
ENS 458882010-04-30T21:48:00030 April 2010 21:48:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Light Socket Short Causes Isolation Systems to Actuate
ENS 453912009-09-30T04:23:00030 September 2009 04:23:00
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
Unit 2 Manually Scrammed After Trip of an Operating Condensate Pump and Rapidly Lowering Rvwl
ENS 452902009-08-24T23:50:00024 August 2009 23:50:00
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
Condensate Booster Pump Trip Resulting in a Manual Reactor Scram
ENS 448602009-02-18T09:51:00018 February 2009 09:51:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Turbine Trip Due to Power Load Unbalance Signal on Main Generator Resulting in Reactor Scram
ENS 448542009-02-16T11:13:00016 February 2009 11:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to Loss of Stator Cooling Water
ENS 445402008-10-05T03:08:0005 October 2008 03:08:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram Following Reverse Power Signal on Main Generator
ENS 441872008-05-05T08:32:0005 May 2008 08:32:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Loss of Power to Esf Buses During Transfer of Offsite Power Source
ENS 438782008-01-01T03:40:0001 January 2008 03:40:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unit 3 Automatic Scram Due to Main Generator Load Reject Signal
ENS 437182007-10-12T13:02:00012 October 2007 13:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Turbine Trip
ENS 436132007-09-03T07:14:0003 September 2007 07:14:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to Electro-Hydraulic Control (Ehc) System Leak
ENS 435602007-08-11T22:51:00011 August 2007 22:51:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Scram Due to Neutron Monitoring Trip Signal
ENS 434142007-06-09T16:00:0009 June 2007 16:00:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due Turbine Trip as a Result of High Moisture Separator Reheater Tank Level
ENS 433812007-05-24T07:11:00024 May 2007 07:11:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to Electro-Hydraulic Control (Ehc) System Leak
ENS 431592007-02-09T18:08:0009 February 2007 18:08:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Reactor Scram Due to Low Reactor Water Level
ENS 430922007-01-11T14:16:00011 January 2007 14:16:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram When Turbine Output Breakers Opened
ENS 428132006-08-30T03:25:00030 August 2006 03:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram Due to Electro-Hydraulic Oil Leak
ENS 427872006-08-19T16:05:00019 August 2006 16:05:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Scram of Unit 3 Due to the Loss of Both Reactor Recirculation Pumps
ENS 421022005-10-31T19:18:00031 October 2005 19:18:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Trip of Main Turbine
ENS 419972005-09-17T16:29:00017 September 2005 16:29:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram Due to Maintenance
ENS 418962005-08-05T22:08:0005 August 2005 22:08:00
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
Rps Actuation Due to Low Reactor Water Level Caused by Loss of Reactor Feed Pumps
ENS 415952005-04-13T15:53:00013 April 2005 15:53:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Valid Rps Actuation Due to an Invalid Atws Logic Actuation
ENS 414042005-02-11T22:29:00011 February 2005 22:29:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to a Load Rejection
ENS 412192004-11-23T16:02:00023 November 2004 16:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to Turbine Trip
ENS 408622004-07-11T03:35:00011 July 2004 03:35:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Scram Due to an Upscale Trip on Intermediate Range Monitors
ENS 408582004-07-09T03:32:0009 July 2004 03:32:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Scram Due to a Turbine Generator Load Rejection Signal
2024-08-30T15:51:00
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