The following is a summary of a report provided by Southern Nuclear:
On May 23, 2022, Framatome notified Farley Nuclear Power Plant, among other plants, by letter of a potential nonconformance in certain Siemens medium voltage circuit breakers that could create a substantial safety hazard in certain applications. Southern Nuclear has determined that additional time beyond the 60-day evaluation period is needed to perform the necessary walkdowns of the installed equipment and complete the substantial safety hazard evaluation for reportability in accordance with 10 CFR 21. At the time, Framatome did not have enough information to determine where licensees intended to or had installed the supplied breakers, or how many breakers within the population supplied were actually nonconforming. The interim report does not describe details of the nonconformance and the original May 23, 2022 letter was not sent to the Headquarters Operations Center.
Contact Information:
Ryan Joyce, Fleet Licensing Manager, (205) 992-6468
Known affected plant: Farley among others