Event Notification Report for March 05, 2021

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
03/04/2021 - 03/05/2021

EVENT NUMBERS
55122
Power Reactor
Event Number: 55122
Facility: Calvert Cliffs
Region: 1     State: MD
Unit: [2] [] []
RX Type: [1] CE,[2] CE
NRC Notified By: Kent Mills
HQ OPS Officer: Kerby Scales
Notification Date: 03/04/2021
Notification Time: 04:00 [ET]
Event Date: 03/04/2021
Event Time: 03:23 [EST]
Last Update Date: 03/04/2021
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(ii)(A) - Degraded Condition
Person (Organization):
BURKET, ELISE (R1)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N N 0 Refueling 0 Refueling
Event Text
NOTIFICATION OF DEGRADED CONDITION

"At time 0323 [EST] on March 04, 2021, it was determined that the Reactor Coolant System (RCS) pressure boundary did not meet the acceptance criteria under ASME, Section XI IWB-3600, "Analytical Evaluation of Flaws." This condition will be resolved prior to plant start up. 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 has been notified."