ENS 42097
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ENS Event | |
|---|---|
05:50 Oct 30, 2005 | |
| Title | Spds Unavailable for Greater than One Hour |
| Event Description | The Unit 2 SPDS (Safety Parameter Display System) was unavailable from 0050 EDT to 0300 EST on 10/30/05. The cause of the unavailability is believe to have been related to software updates. The condition has been corrected and the system is back in service. This item is reportable per the licensee's procedures whenever SPDS is out of service for more than one hour.
The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
North Anna  Virginia (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.75 h-0.115 days <br />-0.0164 weeks <br />-0.00377 months <br />) | |
| Opened: | Don Taylor 03:05 Oct 30, 2005 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Oct 30, 2005 |
| 42097 - NRC Website
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Unit 2 | |
|---|---|
| Reactor critical | Not Critical |
| Scram | No |
| Before | Hot Standby (0 %) |
| After | Hot Standby (0 %) |
WEEKMONTHYEARENS 515572015-11-20T13:23:00020 November 2015 13:23:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Inoperable Vent Stack Radiation Monitor ENS 496722013-12-23T13:23:00023 December 2013 13:23:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications with Virginia State Eoc Due to Power Outage ENS 467512011-04-14T08:00:00014 April 2011 08:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service for Maintenance ENS 466762011-03-15T15:31:00015 March 2011 15:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Technical Support Center Ventilation System ENS 460392010-06-23T13:10:00023 June 2010 13:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning Siren Test Failure ENS 460132010-06-16T12:59:00016 June 2010 12:59:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning System Found Non-Responsive During Testing ENS 435462007-08-03T12:55:0003 August 2007 12:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Out of Service ENS 424432006-03-22T17:51:00022 March 2006 17:51:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Potential Loss of Communication Sirens ENS 420972005-10-30T05:50:00030 October 2005 05:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Unavailable for Greater than One Hour ENS 419002005-08-07T04:00:0007 August 2005 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Unavailable for Greater than One Hour ENS 414562005-03-02T17:39:0002 March 2005 17:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens ENS 414262005-02-21T07:50:00021 February 2005 07:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Inoperable for Greater than One Hour ENS 408202004-06-16T13:45:00016 June 2004 13:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability ENS 401792003-09-19T13:30:00019 September 2003 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability to the Adverse Weather Conditions 2015-11-20T13:23:00 | |
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