ENS 53354

v t e ENS Event
22:30 Apr 20, 2018
Title	Degraded Reactor Vessel Head
Event Description	On Friday, April 20, 2018 at 1730 CDT, during the Braidwood Station Unit 1 refueling outage (A1R20), a scheduled ultrasonic test (UT) was performed on the top head to upper center disc weld of the Unit 1 reactor head. The UT identified 19 indications, 9 of which are not acceptable per ASME Section XI, 2001 Edition, 2003 Addenda, Paragraph IWB-3510. This event is reportable under 10 CFR 50.72(b)(3)(ii)(A) for 'Any event or condition that results in the condition of the nuclear power plant, including its principal safety barriers, being seriously degraded'. The licensee notified the NRC Resident Inspector.

ENS 53354 +/-
Where
Braidwood Illinois (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+-0.13 h-0.00542 days <br />-7.738095e-4 weeks <br />-1.78074e-4 months <br />)
Opened:	Rich Rowe 22:22 Apr 20, 2018
NRC Officer:	Dong Park
Last Updated:	Apr 20, 2018
53354 - NRC Website
v • d • e

v t e Emergency Notification System
Braidwood with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2022-10-07T06:19:00 [Table view]
[ENS list for Braidwood]

Navigation menu