ENS 57901: Difference between revisions
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Revision as of 06:20, 5 September 2025
ENS Event | |
|---|---|
13:55 Sep 4, 2025 | |
| Title | Secondary Containment Hatch Left Unsecured |
| Event Description | The following information was provided by the licensee via phone and email:
On September 4, 2025, at 0855 CDT, Grand Gulf Nuclear Station operators discovered the enclosure building roof hatch was unsecured and open approximately 1 inch. This resulted in inoperability of secondary containment. Following discovery, the hatch was immediately closed and latched. Secondary containment operability was restored at 0940 CDT. This event is being reported under 10 CFR 50.72(b)(3)(v)(D) as an event or condition that could have prevented fulfillment of a safety function. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
| Grand Gulf Mississippi (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:+0.75 h0.0313 days <br />0.00446 weeks <br />0.00103 months <br />) | |
| Opened: | Kenya Haley 14:40 Sep 4, 2025 |
| NRC Officer: | Karen Cotton |
| Last Updated: | Sep 4, 2025 |
| 57901 - NRC Website
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