ENS 55955
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ENS Event | |
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02:40 Jun 22, 2022 | |
Title | Control Room Ventilation and Control Area Chilled Water System Inoperable |
Event Description | The following information was provided by the licensee via email:
At 2240 on 06/21/2022, it was discovered that both required trains of Control Room Ventilation and Control Area Chilled Water System were simultaneously inoperable; therefore, this condition is being reported as an eight-hour, nonemergency notification per 10 CFR 50.72(b)(3)(v)(d). There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance: The 'B' train was restored at 2315. |
Where | |
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Mcguire ![]() North 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:+-0.23 h-0.00958 days <br />-0.00137 weeks <br />-3.15054e-4 months <br />) | |
Opened: | Tiffney Louy 02:26 Jun 22, 2022 |
NRC Officer: | Mike Stafford |
Last Updated: | Jun 22, 2022 |
55955 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (94 %) |
After | Power Operation (94 %) |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
McGuire ![]() | |
WEEKMONTHYEARENS 559552022-06-22T02:40:00022 June 2022 02:40:00
[Table view]10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Control Room Ventilation and Control Area Chilled Water System Inoperable ENS 531602018-01-10T00:28:00010 January 2018 00:28:00 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident Both Trains of Containment Air Return Fans Inoperable ENS 465572011-01-20T16:10:00020 January 2011 16:10:00 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Technical Specification Required Shutdown 2022-06-22T02:40:00 | |
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