ENS 55122

v t e ENS Event
08:23 Mar 4, 2021
Title	Notification of Degraded Condition
Event Description	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.

ENS 55122 +/-
Where
Calvert Cliffs Maryland (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+-4.38 h-0.183 days <br />-0.0261 weeks <br />-0.006 months <br />)
Opened:	Kent Mills 04:00 Mar 4, 2021
NRC Officer:	Kerby Scales
Last Updated:	Mar 4, 2021
55122 - NRC Website
v • d • e

v t e Emergency Notification System
Calvert Cliffs with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2021-03-04T08:23:00 [Table view]
[ENS list for Calvert Cliffs]

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