ENS 52415

v t e ENS Event
23:00 Dec 7, 2016
Title	Unisolable Reactor Coolant System Boundary Leakage
Event Description	While TMI [Three Mile Island] Unit 1 was in a hot shutdown condition, leakage was identified coming from an RCS [reactor coolant system] pressure boundary on a welded connection on the 'A' Reactor Coolant Pump. The leakage is unisolable from the RCS and is less than 0.5 gpm. Planned actions are to cooldown Unit 1 to cold shutdown conditions in order to repair the leakage. The licensee will be notifying the Pennsylvania Emergency Management Agency and has notified the NRC Resident Inspector.

ENS 52415 +/-
Where
Three Mile Island Pennsylvania (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+0.65 h0.0271 days <br />0.00387 weeks <br />8.9037e-4 months <br />)
Opened:	Eric Maschuck 23:39 Dec 7, 2016
NRC Officer:	Howie Crouch
Last Updated:	Dec 7, 2016
52415 - NRC Website
v • d • e

v t e Emergency Notification System
Three Mile Island with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2017-09-05T15:11:00 [Table view]
[ENS list for Three Mile Island]

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