ENS Event | |
|---|---|
10:09 May 7, 2015 | |
| Title | Technical Specification Shutdown Due to Reactor Coolant Pump Trip |
| Event Description | This notification is being made as required by 10 CFR 50.72(b)(2)(i) due to a Farley Nuclear Plant Unit 1 shutdown required by Technical Specifications.
At 0509 CDT on 5/7/2015, 1B Reactor Coolant Pump (RCP) tripped during transfer of 1B 4160V bus to 1B unit auxiliary transformer. Technical Specification LCO 3.4.4 Condition A was entered for loss of a Reactor Coolant System (RCS) loop. Unit 1 reactor was shut down per operating procedures and entered Mode 3 at 0740 CDT. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
Farley  Alabama (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
| Time - Person (Reporting Time:+-0.4 h-0.0167 days <br />-0.00238 weeks <br />-5.4792e-4 months <br />) | |
| Opened: | Charles Barefield 09:45 May 7, 2015 |
| NRC Officer: | Donald Norwood |
| Last Updated: | May 7, 2015 |
| 51047 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (27 %) |
| After | Hot Standby (0 %) |
WEEKMONTHYEARENS 523742016-11-18T00:59:00018 November 2016 00:59:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Initiated ENS 510472015-05-07T10:09:0007 May 2015 10:09:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Due to Reactor Coolant Pump Trip ENS 497152014-01-11T17:00:00011 January 2014 17:00:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Plant Shutdown Required by Technical Specifications ENS 481402012-07-27T02:51:00027 July 2012 02:51:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Tech Spec Required Shutdown for Diesel Maintenance Exceeding Allowed Outage Time ENS 461752010-08-15T05:45:00015 August 2010 05:45:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Ts Required Shutdown Entered Due to High Containment Temperature ENS 443582008-07-22T01:58:00022 July 2008 01:58:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Loss of Accident Mitigation Capabilities Due to Two Emergency Diesel Generators Out of Service ENS 426742006-06-30T13:19:00030 June 2006 13:19:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Main Steam Isolation Valve Stuck During Testing 2016-11-18T00:59:00 | |