ENS 42075
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ENS Event | |
|---|---|
14:00 Oct 25, 2005 | |
| Title | Loss of Communication by Front End Processor and Spare Train to Fts-2001 Communications Link |
| Event Description | At 1000 EDT on October 25, 2005, it was discovered that no good data is being transmitted via the FTS-2001 communications link. The communications link itself is functioning properly; however, the front end processor and the spare train for Unit 4 are not on-line. The estimated time of repair for restoration of data flow is approximately 1700 EDT on 10/25/05.
The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Turkey Point  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-0.98 h-0.0408 days <br />-0.00583 weeks <br />-0.00134 months <br />) | |
| Opened: | Carlos Montgomery 13:01 Oct 25, 2005 |
| NRC Officer: | Arlon Costa |
| Last Updated: | Oct 25, 2005 |
| 42075 - NRC Website
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Unit 4 | |
|---|---|
| Reactor critical | Not Critical |
| Scram | No |
| Before | Hot Standby (0 %) |
| After | Hot Standby (0 %) |
WEEKMONTHYEARENS 507892015-02-05T16:30:0005 February 2015 16:30:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Non-Functional ENS 506682014-12-11T13:00:00011 December 2014 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on the Technical Support Center ENS 502172014-06-20T12:15:00020 June 2014 12:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service for Maintenance ENS 499272014-03-17T14:18:00017 March 2014 14:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Habitabilty Impacted Due to Loss of Air Conditioning ENS 498612014-02-27T17:22:00027 February 2014 17:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Degradation of the Technical Support Center Ventilation System ENS 496522013-12-18T18:00:00018 December 2013 18:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Inoperable for Planned Maintenance ENS 496462013-12-17T15:50:00017 December 2013 15:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Degraded Due to Loss of Air Filtration ENS 488522013-03-26T10:20:00026 March 2013 10:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Emergency Ventilation System Control Switch Discovered in the Off Position ENS 485862012-12-13T13:55:00013 December 2012 13:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Removed from Service for Maintenance ENS 485172012-11-18T01:00:00018 November 2012 01:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Auto-Initiation Feature of Technical Support Center Ventilation Improperly Inhibited ENS 482892012-09-08T16:30:0008 September 2012 16:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Historical Technical Support Center Ventilation Evaluation Deficiency ENS 482342012-08-27T04:00:00027 August 2012 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Maintenance ENS 480962012-07-12T09:00:00012 July 2012 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unavailability of Tsc Ventilation System Due to Scheduled Maintenance ENS 474992011-12-06T14:30:0006 December 2011 14:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Non-Functional Due to Planned Maintenance ENS 473872011-10-28T18:30:00028 October 2011 18:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Unavailable for Emergency Conditions ENS 473422011-10-13T15:50:00013 October 2011 15:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System Inoperable ENS 478192010-12-04T04:00:0004 December 2010 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Habitability Requirement Not Met Due to Maintenance on the Tsc ENS 460412010-06-23T16:51:00023 June 2010 16:51:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unit 3 Emergency Response Data System Declared Inoperable ENS 452182009-07-21T13:30:00021 July 2009 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Ability to Activate Emergency Sirens Temporarily Lost ENS 449762009-04-08T03:45:0008 April 2009 03:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erds Due to Equipment Failure ENS 441352008-04-12T19:00:00012 April 2008 19:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Modification to Process Computer That Will Impact Erds ENS 440682008-03-16T18:30:00016 March 2008 18:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Plant Process Computer System Erdads ENS 440472008-03-08T00:14:0008 March 2008 00:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Intermittent Operation of Emergency Response Data System ENS 440282008-03-04T13:16:0004 March 2008 13:16:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds Link Determined Inoperable for 3 Hour Period ENS 439362008-01-27T20:17:00027 January 2008 20:17:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System Link to Nrc Unavailable ENS 439242008-01-23T05:10:00023 January 2008 05:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System Unavailable ENS 439022008-01-13T14:44:00013 January 2008 14:44:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Intermittent Plant Computer Failures ENS 438872008-01-09T21:30:0009 January 2008 21:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds Failed to Disconnect During Test ENS 438772008-01-01T02:10:0001 January 2008 02:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erdads Failure for Seventy Minutes ENS 438032007-11-21T16:15:00021 November 2007 16:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erdads Long Term Historian Data Stream Was Not Updating ENS 437982007-11-21T08:30:00021 November 2007 08:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erdads Computer System Failure ENS 437052007-10-10T04:00:00010 October 2007 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erdads and Erds Link ENS 436142007-09-05T15:17:0005 September 2007 15:17:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Modification to Process Computer That Impact Erds and Spds ENS 421892005-12-08T18:41:0008 December 2005 18:41:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data System Due to Planned Software Modification ENS 421482005-11-17T05:47:00017 November 2005 05:47:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss and Subsequent Recovery of Emergency Response Data System ENS 420752005-10-25T14:00:00025 October 2005 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communication by Front End Processor and Spare Train to Fts-2001 Communications Link 2015-02-05T16:30:00 | |
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