The following information was provided by the licensee via fax:
Control Rod Drive Mechanism (CRDM) penetration 69 degraded.
At 0119 [CDT] on October 7, 2022, it was determined that the CRDM penetration 69 was degraded because examination identified unacceptable indications in accordance with ASME Code Case N-729-6. Therefore, 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.
- * * UPDATE ON 12/13/22 AT 1825 EST FROM KRYSTIAN JARONCZYK TO ADAM KOZIOL * * *
The notification is being corrected to state:
At 0119 [CDT] on October 7, 2022, it was determined that the Control Rod Drive Mechanism (CRDM) penetration 69 was degraded because liquid penetrant testing, performed on the seal weld, identified unacceptable indications in accordance with ASME Section III and NRC approved licensee relief request for a previously performed embedded flaw repair. Therefore, 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.
Notified R3DO (Ruiz).
