ENS 58042: Difference between revisions
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At 0911 EST, on 11/17/2025, it was discovered that both trains of the control room emergency ventilation system were simultaneously inoperable due to an unauthorized door breach of a door in the control room envelope; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). At 0913 EST, the door was closed, and both trains of the control room emergency ventilation system were restored to operable. | At 0911 EST, on 11/17/2025, it was discovered that both trains of the control room emergency ventilation system were simultaneously inoperable due to an unauthorized door breach of a door in the control room envelope; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). At 0913 EST, the door was closed, and both trains of the control room emergency ventilation system were restored to operable. | ||
There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. | There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2025/ | | URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2025/20251119en.html#en58042 | ||
}}{{unit info | }}{{unit info | ||
| Unit = 1 | | Unit = 1 | ||
Latest revision as of 07:20, 19 November 2025
| Where | |
|---|---|
Sequoyah  Tennessee (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+1.9 h0.0792 days <br />0.0113 weeks <br />0.0026 months <br />) | |
| Opened: | Brian Jaros 16:05 Nov 17, 2025 |
| NRC Officer: | Sam Colvard |
| Last Updated: | Nov 17, 2025 |
| 58042 - NRC Website
| |
Sequoyah with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |