ENS 40203
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ENS Event | |
|---|---|
20:08 Sep 27, 2003 | |
| Title | |
| Event Description | Unit 2 will be down powering inverter 2Y-26 for pre-planned maintenance during the Unit 2 refueling outage. This will result in the loss of power to the Safety Parameter Display System (SPDS). This constitutes a major loss of emergency assessment capability for both Unit 1 and Unit 2. The expected SPDS outage duration is 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.
State and the NRC Resident Inspector will be notified of this event by the Licensee. |
| Where | |
|---|---|
Arkansas Nuclear  Arkansas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-4 h-0.167 days <br />-0.0238 weeks <br />-0.00548 months <br />) | |
| Opened: | Wayne Aho 16:08 Sep 27, 2003 |
| NRC Officer: | John Mackinnon |
| Last Updated: | Sep 27, 2003 |
| 40203 - NRC Website | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 540732019-05-19T23:09:00019 May 2019 23:09:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of the Safety Parameter Display System Due to Inverter Failure ENS 517852016-03-10T14:40:00010 March 2016 14:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Seismic Alarm Function Not Available During Semi-Annual Seismic System Functional Test ENS 515432015-11-17T17:11:00017 November 2015 17:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Seismic System Functional Test ENS 513402015-08-24T15:20:00024 August 2015 15:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Seismic Alarm Capability During Conduct of Functional Test ENS 511842015-06-27T02:49:00027 June 2015 02:49:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Seismic Monitor Declared Non Functional ENS 510292015-05-01T21:00:0001 May 2015 21:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Seismic Monitoring Due to Planned Maintenance ENS 489552013-04-22T21:23:00022 April 2013 21:23:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Not Available ENS 481412012-07-27T02:20:00027 July 2012 02:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ac Power to the Emergency Operations Facility ENS 453762009-09-22T10:11:00022 September 2009 10:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to the Emergency Operations Facility ENS 453392009-09-11T15:25:00011 September 2009 15:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Removed from Service for Maintenance ENS 452032009-07-14T03:00:00014 July 2009 03:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ens Phone Circuits and Some Commercial Communication Capability ENS 450382009-05-03T12:45:0003 May 2009 12:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Eof Communication Capability Due to Equipment Failure ENS 440902008-03-25T03:48:00025 March 2008 03:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Oos for Planned Maintenance ENS 428982006-10-11T19:39:00011 October 2006 19:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Out of Service ENS 417962005-06-24T20:30:00024 June 2005 20:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Failure in Emergency Operations Facility ENS 415682005-04-06T16:06:0006 April 2005 16:06:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Major Loss of Communications Capability Due to Offsite Fiber Optic Cable Cut ENS 415042005-03-19T07:30:00019 March 2005 07:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Advanced Notification Prior to Taking Spds Out of Service ENS 412172004-11-23T15:45:00023 November 2004 15:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability Due to Failure of Spds ENS 402032003-09-27T20:08:00027 September 2003 20:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) ENS 401222003-08-29T22:50:00029 August 2003 22:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Emergency Siren Actuation Capability 2019-05-19T23:09:00 | |
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