ENS 56342

v t e ENS Event
22:38 Feb 7, 2023
Title	Primary Containment Degraded
Event Description	The following information was provided by the licensee via email: At 1738 EST on 02/07/2023, while in mode 5 at 0 percent power, it was determined during local leak rate testing (LLRT) that the primary containment leakage rate exceeded the allowable limit defined in 10 CFR 50, Appendix J, 'Primary Reactor Containment Leakage Testing for Water-Cooled Power Reactors.' Both primary containment isolation valves in a penetration failed LLRT requirements which represents a failure to maintain primary containment integrity. This event is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(ii)(A). There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified.

ENS 56342 +/-
Where
Hatch Georgia (NRC Region 2)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+-1.47 h-0.0613 days <br />-0.00875 weeks <br />-0.00201 months <br />)
Opened:	Kevin Carter 21:10 Feb 7, 2023
NRC Officer:	Adam Koziol
Last Updated:	Feb 7, 2023
56342 - NRC Website
v • d • e

v t e Emergency Notification System
Hatch with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2024-02-11T15:11:00 [Table view]
[ENS list for Hatch]

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