ENS 43985
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ENS Event | |
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00:50 Feb 14, 2008 | |
Title | Technical Specification 3.0.3 Required Shutdown |
Event Description | With the 'B' Emergency Diesel Generator out of service for 7 day LCO, the 'A' [Centrifugal Charging Pump] (CCP) was declared inoperable due to associated room cooler tube leak. TS 3.0.3 was entered at 1820 hours0.0211 days <br />0.506 hours <br />0.00301 weeks <br />6.9251e-4 months <br /> with plant shutdown commencing at 1850 hours0.0214 days <br />0.514 hours <br />0.00306 weeks <br />7.03925e-4 months <br />. At 1950 hours0.0226 days <br />0.542 hours <br />0.00322 weeks <br />7.41975e-4 months <br />, the NRC granted a 19-hour Notice Of Enforcement Discretion (NOED) from the initial CCP 'A' inoperability time of 1420 hours0.0164 days <br />0.394 hours <br />0.00235 weeks <br />5.4031e-4 months <br /> until entry into TS 3.0.3 is required. Time when Wolf Creek will be required to enter TS 3.0.3 for the 'A' CCP inoperable due to room cooler leakage is now 0920 hours0.0106 days <br />0.256 hours <br />0.00152 weeks <br />3.5006e-4 months <br /> on 2/14/08. Power reduction was stopped at 1950 hours0.0226 days <br />0.542 hours <br />0.00322 weeks <br />7.41975e-4 months <br />. Currently making preparations to return the unit to 100% power.
Repairs to the 'A' CCP are expected to be complete before 2400 CST 2/13/08. The Licensee has notified the NRC Resident Inspector. |
Where | |
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Wolf Creek ![]() Kansas (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |
Time - Person (Reporting Time:+-2.43 h-0.101 days <br />-0.0145 weeks <br />-0.00333 months <br />) | |
Opened: | James Kuras 22:24 Feb 13, 2008 |
NRC Officer: | Karl Diederich |
Last Updated: | Feb 13, 2008 |
43985 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (88 %) |
WEEKMONTHYEARENS 572842024-08-23T13:00:00023 August 2024 13:00:00
[Table view]10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Shutdown Required by Technical Specifications ENS 545082020-02-02T00:45:0002 February 2020 00:45:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Due to Containment Purge Valve Excessive Leakage ENS 522182016-09-02T13:08:0002 September 2016 13:08:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown ENS 510742015-05-16T02:48:00016 May 2015 02:48:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to 2 Ac Inverters Inoperable ENS 510712015-05-15T09:36:00015 May 2015 09:36:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to 2 Ac Inverters Inoperable ENS 494482013-10-18T17:11:00018 October 2013 17:11:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Loss of Cooling to Switchgear Rooms ENS 493392013-09-11T22:31:00011 September 2013 22:31:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Loss of Cooling to Switchgear Rooms ENS 491262013-06-17T16:11:00017 June 2013 16:11:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Non-Functional Class 1E Electrical A/C Unit ENS 490082013-05-06T22:33:0006 May 2013 22:33:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Shutdown Required Due to Non-Functional Class 1E Air Conditioning Unit ENS 479982012-06-06T08:27:0006 June 2012 08:27:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Inadequate Cooling Available to Support Electrical Power Systems ENS 471542011-08-15T15:55:00015 August 2011 15:55:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown - Contaminated Oil Sample ENS 464572010-12-06T10:18:0006 December 2010 10:18:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Tech Spec Required Shutdown Due to Exceeding Allowed Outage Time on the 'A' Emergency Diesel Generator ENS 463092010-10-05T03:00:0005 October 2010 03:00:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown ENS 461982010-08-23T13:14:00023 August 2010 13:14:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Tech Spec Required Shutdown Due to Both Edgs and an Rhr Loop Inoperable ENS 459852010-06-07T23:44:0007 June 2010 23:44:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Due to Voiding in the Component Cooling Water System ENS 456632010-01-26T21:25:00026 January 2010 21:25:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Entry Into Technical Specification Required Shutdown ENS 439852008-02-14T00:50:00014 February 2008 00:50:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification 3.0.3 Required Shutdown ENS 438952008-01-11T22:22:00011 January 2008 22:22:00 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Tech. Spec. Required Shutdown Due to Gas Voiding in Discharge Piping ENS 420042005-09-21T03:40:00021 September 2005 03:40:00 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown Commenced Due to Inoperability of Residual Heat Removal Containment Sump Isolation Valves 2024-08-23T13:00:00 | |
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