ENS 53652

v t e ENS Event
05:00 Oct 8, 2018
Title	Reactor Coolant System Pressure Boundary Leakage
Event Description	On Monday, October 8, 2018 at 0111 CDT, during the initial containment entry for unit 2 refueling outage (A2R20), reactor coolant system pressure boundary leakage was discovered at the 2D Steam Generator bowl drain line. Unit cooldown to mode 5 is in progress. This event is reportable under 10CFR50.72(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 has notified the NRC resident inspector. Approximately 0.1 gpm was leaking from the drain line. LCO 3.4.13 was entered and the licensee anticipates being in mode 5 within a couple of hours. The leak will be repaired prior to exiting the refueling outage.

ENS 53652 +/-
Where
Braidwood Illinois (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+-0.78 h-0.0325 days <br />-0.00464 weeks <br />-0.00107 months <br />)
Opened:	Eric Phillips 04:13 Oct 8, 2018
NRC Officer:	Steven Vitto
Last Updated:	Oct 8, 2018
53652 - 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]

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