ENS 42746

v t e ENS Event
07:35 Aug 1, 2006
Title	Rcs Pressure Boundary Leakage
Event Description	At approximately 0335 EDT, LCO 3.4.13, RCS Operational Leakage, Action C was entered due to the identification of a pressure boundary leak. Reactor Coolant System (RCS) leak is believed to be a small pinhole on the weld on the downstream side of the check valve on Loop 1 Cold Leg Safety Injection Line. The estimated RCS leak rate is 0.1 gallons per minute. The Unit was in Mode 3 at the time of discovery. This event is being reported under 10 CFR 50.72(b)(3)(ii)(A). The plant is currently evaluating the appropriate repair method for this condition. The licensee notified the NRC Resident Inspector.

ENS 42746 +/-
Where
Watts Bar Tennessee (NRC Region 2)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+3.95 h0.165 days <br />0.0235 weeks <br />0.00541 months <br />)
Opened:	Geoff Bennett 11:32 Aug 1, 2006
NRC Officer:	Jason Kozal
Last Updated:	Aug 1, 2006
42746 - NRC Website
v • d • e

v t e Emergency Notification System
Watts Bar with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2020-11-11T18:11:00 [Table view]
[ENS list for Watts Bar]

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