ENS 52056: Difference between revisions
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| event date = 06/30/2016 14:30 EDT | | event date = 06/30/2016 14:30 EDT | ||
| last update date = 08/29/2016 | | last update date = 08/29/2016 | ||
| title = Both Primary Containment Isolation Valves | | title = Both Primary Containment Isolation Valves for a Penetration Potentially Inoperable | ||
| event text = On June 30, 2016 at 1430 [EDT], with the reactor at 100 [percent] and the mode switch in RUN, Pilgrim Station determined both Primary Containment Isolation Valves (PCIVs) CV-5065-91 and CV-5065-92 for Drywell Penetration X-32A were inoperable due to the potential failure of relays relied on to perform the primary containment isolation function. | | event text = On June 30, 2016 at 1430 [EDT], with the reactor at 100 [percent] and the mode switch in RUN, Pilgrim Station determined both Primary Containment Isolation Valves (PCIVs) CV-5065-91 and CV-5065-92 for Drywell Penetration X-32A were inoperable due to the potential failure of relays relied on to perform the primary containment isolation function. | ||
The valves have been closed and deactivated in the isolated condition in accordance with Technical Specification Limiting Condition For Operation Action Statement 3.7.A.2.b. | The valves have been closed and deactivated in the isolated condition in accordance with Technical Specification Limiting Condition For Operation Action Statement 3.7.A.2.b. | ||
Latest revision as of 20:44, 1 March 2018
| Where | |
|---|---|
| Pilgrim Massachusetts (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+-0.18 h-0.0075 days <br />-0.00107 weeks <br />-2.46564e-4 months <br />) | |
| Opened: | Paul Gallant 18:19 Jun 30, 2016 |
| NRC Officer: | Jeff Herrera |
| Last Updated: | Aug 29, 2016 |
| 52056 - NRC Website
| |