ENS 50047

v t e ENS Event
19:42 Apr 20, 2014
Title	Emergency Core Cooling System Piping Leak While Shutdown
Event Description	A leak was discovered in the area of EPV0109, COMBINED SI/RHR [Safety Injection/Residual Heat Removal] TO ACCUMULATOR D OUTLET LINE VENT. The leak rate was estimated at 2.5 gallons per hour. The plant is in Mode 5, RCS [Reactor Coolant System] depressurized. This leak is considered a material problem that causes abnormal degradation of or stress upon the reactor coolant system pressure boundary, reportable in accordance with 10CFR 50.72(b)(3)(ii)(A). Efforts are underway to characterize the leak and plan for repairs. The leak has been secured after realigning RHR cooling from the B to the A train. The Resident Inspector has been notified. The cause of the leak is being investigated.

ENS 50047 +/-
Where
Wolf Creek Kansas (NRC Region 4)
Reporting

10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
Time - Person (Reporting Time:+0.27 h0.0113 days <br />0.00161 weeks <br />3.69846e-4 months <br />)
Opened:	P.C. Moore 19:58 Apr 20, 2014
NRC Officer:	Mark Abramovitz
Last Updated:	Apr 20, 2014
50047 - NRC Website
v • d • e

v t e Emergency Notification System
Wolf Creek with 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded
WEEKMONTHYEAR2014-04-20T19:42:00 [Table view]
[ENS list for Wolf Creek]

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