ENS 43634: 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 = 09/11/2007 15:09 CDT | | event date = 09/11/2007 15:09 CDT | ||
| last update date = 09/12/2007 | | last update date = 09/12/2007 | ||
| title = Loss | | title = Loss of Safety Function - Both Edg'S Unavailable | ||
| event text = This report is being made pursuant to 10CFR50.72(b)(3)(v)(D) Any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of SSCs that are needed to mitigate the consequences of an accident. | | event text = This report is being made pursuant to 10CFR50.72(b)(3)(v)(D) Any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of SSCs that are needed to mitigate the consequences of an accident. | ||
Diesel generator #2 (DG2) was inoperable and unavailable for planned maintenance. This was day 2 of a 7 day shutdown LCO. At 1449, Diesel Generator #1 (DG1) was declared inoperable and unavailable at 1509, due to malfunction of the day fuel oil day tank high level shutoff solenoid valve. With both DGs unavailable, the required safety function was not maintained. At time 1645, DG1 was restored to an available status by repairing the diesel fuel oil day lank high level shut off solenoid. At this time DG1 is able to perform the safety function. DG1 was declared operable at 2129. | Diesel generator #2 (DG2) was inoperable and unavailable for planned maintenance. This was day 2 of a 7 day shutdown LCO. At 1449, Diesel Generator #1 (DG1) was declared inoperable and unavailable at 1509, due to malfunction of the day fuel oil day tank high level shutoff solenoid valve. With both DGs unavailable, the required safety function was not maintained. At time 1645, DG1 was restored to an available status by repairing the diesel fuel oil day lank high level shut off solenoid. At this time DG1 is able to perform the safety function. DG1 was declared operable at 2129. | ||
Latest revision as of 22:16, 1 March 2018
| Where | |
|---|---|
Cooper  Nebraska (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+2.82 h0.118 days <br />0.0168 weeks <br />0.00386 months <br />) | |
| Opened: | Steven Jobe 22:58 Sep 11, 2007 |
| NRC Officer: | Joe O'Hara |
| Last Updated: | Sep 12, 2007 |
| 43634 - NRC Website
| |
Cooper with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |