ENS 41540
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ENS Event | |
|---|---|
22:38 Mar 28, 2005 | |
| Title | High Pressure Coolant Injection Temporarily Inoperable |
| Event Description | The following information was obtained from the licensee via facsimile (licensee text in quotes):
Unit 2 High Pressure Coolant Injection (HPCI) [was] declared inoperable due to a loose control power fuse clip associated with the HPCI Pump Suction from Suppression Pool Valve HV-055-212041. The loose clip resulted in loss of control power to this DC motor operated valve and therefore rendered the HPCI system inoperable. The fuse clip has been replaced and the HPCI system returned to an operable status. This report is being made pursuant to 10CFR 50.72(b)(3)(v)(D) as a condition that at the time of discovery could have prevented the fulfillment of the safety function of a system that is needed to mitigate the consequences of an accident. The licensee will notify the NRC Resident Inspector. |
| Where | |
|---|---|
Limerick  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+1.3 h0.0542 days <br />0.00774 weeks <br />0.00178 months <br />) | |
| Opened: | Phil Chase 23:56 Mar 28, 2005 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Mar 29, 2005 |
| 41540 - NRC Website | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Limerick with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
WEEKMONTHYEARENS 561632022-10-14T14:07:00014 October 2022 14:07:00
[Table view]10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Inoperable ENS 554842021-09-23T18:43:00023 September 2021 18:43:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Declared Inoperable ENS 550002020-11-16T10:15:00016 November 2020 10:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Inoperable ENS 533412018-04-17T14:30:00017 April 2018 14:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Declared Inoperable ENS 531082017-12-08T18:10:0008 December 2017 18:10:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Inoperable Due to a Leaking Check Valve ENS 528742017-07-27T17:15:00027 July 2017 17:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Core Injection System Declared Inoperable ENS 513682015-09-03T23:01:0003 September 2015 23:01:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) Declared Inoperable ENS 492392013-08-05T18:56:0005 August 2013 18:56:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Both Offsite Power Sources Inoperable During Undervoltage Testing ENS 488372013-03-20T18:47:00020 March 2013 18:47:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection (Hpci) Turbine Oil Leak ENS 469792011-06-23T15:00:00023 June 2011 15:00:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Declared Inoperable ENS 464742010-12-12T16:28:00012 December 2010 16:28:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection System Unavailable ENS 446232008-11-02T20:50:0002 November 2008 20:50:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci System Declared Inoperable Due to Controller Failure ENS 436452007-09-17T05:49:00017 September 2007 05:49:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Unable to Perform It'S Safety Related Function ENS 434362007-06-21T07:15:00021 June 2007 07:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Inoperable Due to Quarterly Valve Stroke Test Failure ENS 429072006-10-15T12:46:00015 October 2006 12:46:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Inoperable ENS 428832006-10-07T10:57:0007 October 2006 10:57:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci Declared Inoperable ENS 415402005-03-28T22:38:00028 March 2005 22:38:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident High Pressure Coolant Injection Temporarily Inoperable ENS 406002004-03-19T19:08:00019 March 2004 19:08:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Hpci System Declared Inoperable at Limerick 1 Due to a Broken Hand Switch 2022-10-14T14:07:00 | |
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