ENS 43436: Difference between revisions
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StriderTol (talk | contribs) (Created page by program invented by Mark Hawes) |
StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
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| event date = 06/21/2007 03:15 EDT | | event date = 06/21/2007 03:15 EDT | ||
| last update date = 08/01/2007 | | last update date = 08/01/2007 | ||
| title = Hpci Inoperable Due | | title = Hpci Inoperable Due to Quarterly Valve Stroke Test Failure | ||
| event text = During performance of the quarterly HPCI valve stroke test the HV-55-2F006, HPCI pump discharge isolation valve to Core Spray failed to open within the maximum allowed time. The HV-55-2F006 valve is a motor operated valve and the maximum allowed opening time is 17.25 seconds. The valve was given an open signal via the hand switch as required by the test but did not initially respond. Several minutes later the valve went full open. HPCI was declared inoperable at 0315 on 6/21/2007. Cause for valve stroke time failure is not known at this time. | | event text = During performance of the quarterly HPCI valve stroke test the HV-55-2F006, HPCI pump discharge isolation valve to Core Spray failed to open within the maximum allowed time. The HV-55-2F006 valve is a motor operated valve and the maximum allowed opening time is 17.25 seconds. The valve was given an open signal via the hand switch as required by the test but did not initially respond. Several minutes later the valve went full open. HPCI was declared inoperable at 0315 on 6/21/2007. Cause for valve stroke time failure is not known at this time. | ||
As a result, the licensee is in a 14 day shutdown LCO. | As a result, the licensee is in a 14 day shutdown LCO. |
Latest revision as of 22:16, 1 March 2018
Where | |
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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:+-3.17 h-0.132 days <br />-0.0189 weeks <br />-0.00434 months <br />) | |
Opened: | Ned Dennin 04:05 Jun 21, 2007 |
NRC Officer: | Joe O'Hara |
Last Updated: | Aug 1, 2007 |
43436 - NRC Website
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