ENS 42949
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ENS Event | |
|---|---|
19:04 Oct 30, 2006 | |
| Title | Alert Declaration Due to Electrical Fire Affecting One Esf Train |
| Event Description | At 1304 CT on 10/30/06, the licensee declared an Alert due to a fire in a breaker compartment in safety-related 480 VAC Bus 2B-53. The bus feeder breaker tripped open, resulting in the loss of some safety equipment, including one train of emergency feedwater. The fire was immediately extinguished.
The licensee notified the NRC Resident Inspector.
ANO-2 Technical Specification 3.6.3.1 action compliance is in progress which includes plans to commence plant shutdown starting at approximately 1908 hours0.0221 days <br />0.53 hours <br />0.00315 weeks <br />7.25994e-4 months <br /> [CT]. Parallel repair efforts are underway to restore the necessary portions of 2B-53 power to allow exiting the Technical Specification 3.6.3.1 LCO's. The licensee notified the NRC Resident Inspector. Notified R4 DO (D. Powers) and R4 IRC (Kennedy).
At 1925 hours0.0223 days <br />0.535 hours <br />0.00318 weeks <br />7.324625e-4 months <br /> [CT] on 10/30/06, Shutdown of Unit 2 to Hot Standby was commenced in accordance with Technical Specification 3.6.3.1 Action D. This notification satisfies the requirement of 10CFR50.72(b)(2). The licensee notified the NRC Resident Inspector. Notified R4 DO (D. Powers) and R4 IRC (Kennedy).
At 1925 hours0.0223 days <br />0.535 hours <br />0.00318 weeks <br />7.324625e-4 months <br /> [CT], Shutdown of Unit 2 was commenced in accordance with Technical Specification 3.6.3.1. The termination criteria of OP-1903.010, Section 6.3 have been met and the Alert has been terminated [at 2000 CST]. The licensee will notify the NRC Resident Inspector. Notified R4 DO (D. Powers), R4 IRC (Kennedy), NRR EO (Lubinski), NSIR (Leach, Blount, Wilson), HQ PAO (Brenner), Comm TA's (Lee, Brown, Skeen, Hatchett, Piccone), EDO Staff (Lamb - message), DHS SWO (Bozzo), FEMA (Casto), DOE (Foote), NRC (McCrossen), USDA (Giles), HHS (Harris) |
| Where | |
|---|---|
Arkansas Nuclear  Arkansas (NRC Region 4) | |
| Reporting | |
| Emergency class: | Alert |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-4.65 h-0.194 days <br />-0.0277 weeks <br />-0.00637 months <br />) | |
| Opened: | Richard Harris 14:25 Oct 30, 2006 |
| NRC Officer: | Mike Ripley |
| Last Updated: | Oct 30, 2006 |
| 42949 - NRC Website
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Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (67 %) |
| After | Power Operation (67 %) |
Arkansas Nuclear with 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
WEEKMONTHYEARENS 522672016-09-28T12:45:00028 September 2016 12:45:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Unit 2 Shutdown Required by Technical Specifications Due to Inoperable Diesel Generator ENS 496182013-12-09T14:00:0009 December 2013 14:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 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)(iv)(A), System Actuation Unusual Event Declared Due to Unit 2 Auxiliary Transformer Explosion ENS 488692013-03-31T15:33:00031 March 2013 15:33:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 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)(iv)(A), System Actuation Notification of Unusual Event Declared Due to a Breaker Explosion in the Protected Area ENS 465552011-01-20T02:58:00020 January 2011 02:58:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notice of Unusual Event Due to a Security Event ENS 461972010-08-23T08:30:00023 August 2010 08:30:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Shutdown Due to Planned Emergency Diesel Generator Outage Exceeding Allowed Time ENS 448372009-02-07T16:59:0007 February 2009 16:59:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to a Fire Onsite ENS 437422007-10-24T04:05:00024 October 2007 04:05:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Electrical Fire in the Auxiliary Building ENS 431212007-01-25T23:17:00025 January 2007 23:17:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Due to Dropped Control Element Assembly (Cea) ENS 429492006-10-30T19:04:00030 October 2006 19:04:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Alert Declaration Due to Electrical Fire Affecting One Esf Train 2016-09-28T12:45:00 | |
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