ENS 53663: Difference between revisions
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| unit = 2 | | unit = 2 | ||
| utype = CE, CE | | utype = CE, CE | ||
| cfr = 10 CFR 50.72(b)(3)(ii)(B) | | cfr = 10 CFR 50.72(b)(3)(ii)(B), 10 CFR 50.72(b)(3)(v)(D) | ||
| emergency class = Non Emergency | | emergency class = Non Emergency | ||
| notification date = 10/12/2018 03:58 | | notification date = 10/12/2018 03:58 | ||
| Line 19: | Line 19: | ||
| event text = During a post maintenance start of the 1B diesel generator, the air start solenoid valves did not close as expected. This resulted in lowering air pressure in the common air start headers causing inoperability of the 2A and 2B diesel generators at time 23:03. The 1B diesel generator was isolated from the common air start header, which restored the air start header pressure to the 2A and 2B diesel generators. The 2A and 2B diesel generators were declared operable at 23:34. | | event text = During a post maintenance start of the 1B diesel generator, the air start solenoid valves did not close as expected. This resulted in lowering air pressure in the common air start headers causing inoperability of the 2A and 2B diesel generators at time 23:03. The 1B diesel generator was isolated from the common air start header, which restored the air start header pressure to the 2A and 2B diesel generators. The 2A and 2B diesel generators were declared operable at 23:34. | ||
The NRC Resident Inspector was notified. | The NRC Resident Inspector was notified. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2018/ | | URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2018/20181015en.html#en53663 | ||
}}{{unit info | }}{{unit info | ||
| Unit = 2 | | Unit = 2 | ||
Latest revision as of 13:19, 30 October 2018
| Where | |
|---|---|
Calvert Cliffs  Maryland (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+23.97 h0.999 days <br />0.143 weeks <br />0.0328 months <br />) | |
| Opened: | Kevin Dougherty 03:58 Oct 12, 2018 |
| NRC Officer: | Karen Cotton |
| Last Updated: | Oct 12, 2018 |
| 53663 - NRC Website
| |
Calvert Cliffs with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |