ENS 55451

v t e ENS Event
05:33 Sep 9, 2021
Title	High Pressure Core Spray Inoperable
Event Description	At 0033 CDT on September 9, 2021, Grand Gulf Nuclear Station (GGNS) was operating at 70 percent power when the High Pressure Core Spray (HPCS) was declared inoperable. The inoperability determination was made due to control room annunciations. In accordance with GGNS Technical Specification 3.5.1.B.1, the Reactor Core Isolation Cooling system was verified to be operable. Troubleshooting is in progress. This event is being reported in accordance with 10 CFR 50.72(b)(3)(v)(D) as an event or condition which could have prevented the fulfillment of a safety function. The NRC Resident Inspector has been notified.

ENS 55451 +/-
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:+-1.23 h-0.0513 days <br />-0.00732 weeks <br />-0.00168 months <br />)
Opened:	Gabe Hargrove 04:19 Sep 9, 2021
NRC Officer:	Kerby Scales
Last Updated:	Sep 9, 2021
55451 - NRC Website
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
WEEKMONTHYEAR2024-01-29T16:05:00 [Table view]
[ENS list for Grand Gulf]

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