ENS 43413

v t e ENS Event
13:10 Jun 8, 2007
Title	High Pressure Coolant Injection (Hpci) Declared Inoperable.
Event Description	During the performance of quarterly HPCI valve testing in accordance with OP4120 one of the two injection valves, HPCI-19, did not stroke open as required. Prior to testing the HPCI system was in normal standby line up. HPCI-19 was stroke tested during the outage on 6-1-07 and operated normally. HPCI-19 was also tested and verified to open during the ECCS test on 6-1-07. HPCI was declared inoperable per Technical Specification 3.5.E.2 (14 day Limiting Condition of Operation). All other ECCS systems and the EDGs are fully operable and the electrical grid is stable. The licensee has initiated repair efforts. The NRC Resident Inspector was notified of this event by the licensee.

ENS 43413 +/-
Where
Vermont Yankee File:NorthStar Vermont Yankee icon.png Vermont (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Time - Person (Reporting Time:+-2.35 h-0.0979 days <br />-0.014 weeks <br />-0.00322 months <br />)
Opened:	D. May 10:49 Jun 8, 2007
NRC Officer:	John Mackinnon
Last Updated:	Jun 8, 2007
43413 - NRC Website Loading map...
v • d • e

v t e Emergency Notification System
Vermont YankeeFile:NorthStar Vermont Yankee icon.png with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
WEEKMONTHYEAR2013-09-18T16:59:00 [Table view]
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