ENS 46687

v t e ENS Event
03:36 Mar 20, 2011
Title	High Pressure Core Spray Valve Breaker Overcurrent Trip Setpoint Out of Tolerance
Event Description	During testing of the High Pressure Core Spray [HPCS] system minimum flow valve breaker, it was discovered that the overcurrent trip setpoint was out of tolerance. This testing was being performed as a result of a breaker trip that occurred during a surveillance. The discovery occurred while the system was inoperable for maintenance and no TS [Technical Specification] limits or action times were exceeded. The overcurrent trip setpoint was placed within tolerance and HPCS is in operable status. The licensee notified the NRC Resident Inspector.

ENS 46687 +/-
Where
Grand Gulf Mississippi (NRC Region 4)
Reporting

10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Time - Person (Reporting Time:+3.53 h0.147 days <br />0.021 weeks <br />0.00484 months <br />)
Opened:	Ricky Liddell 07:08 Mar 20, 2011
NRC Officer:	Vince Klco
Last Updated:	Mar 20, 2011
46687 - NRC Website Loading map...
v • d • e

v t e Emergency Notification System
Grand Gulf with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
WEEKMONTHYEAR2026-02-02T02:09:00 [Table view]
[ENS list for Grand Gulf]

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