ENS 57328
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ENS Event | |
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00:05 Sep 18, 2024 | |
Title | Steam Propagation Door Inoperable |
Event Description | The following information was provided by the licensee via email and phone:
At 2005 EDT on 9/17/2024, it was discovered that steam propagation door DRCB/501 would not latch properly; thus making the door inoperable. Door DRCB/501 is required as a steam propagation barrier to protect both trains of engineered safety feature equipment from effects of a postulated steam line break. Due to this inoperability, the plant was in a condition that could have prevented the fulfillment of a safety function; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. Steam propagation door DRCB/501 was repaired and maintained in the closed and latched position at 2032 EDT on 9/17/2024. |
Where | |
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Summer South Carolina (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:+-0.45 h-0.0188 days <br />-0.00268 weeks <br />-6.1641e-4 months <br />) | |
Opened: | Lauren Anderson 23:38 Sep 17, 2024 |
NRC Officer: | Tenisha Meadows |
Last Updated: | Sep 18, 2024 |
57328 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (91 %) |
After | Power Operation (91 %) |
Summer with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
WEEKMONTHYEARENS 573282024-09-18T00:05:00018 September 2024 00:05:00
[Table view]10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Steam Propagation Door Inoperable ENS 572782024-08-21T00:01:00021 August 2024 00:01:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Control Room Ventilation Inoperable ENS 522402016-09-14T00:30:00014 September 2016 00:30:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Steam Propagation Barrier Door Found Open ENS 401422003-09-09T13:15:0009 September 2003 13:15:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Accident Mitigation - Control Room Ventilation System 2024-09-18T00:05:00 | |
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