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Event Notification Report for June 14, 2019

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
6/13/2019 - 6/14/2019

** EVENT NUMBERS **


54116

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Power Reactor Event Number: 54116
Facility: BRUNSWICK
Region: 2     State: NC
Unit: [] [2] []
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: LUCAS HOGGARD
HQ OPS Officer: HOWIE CROUCH
Notification Date: 06/13/2019
Notification Time: 03:59 [ET]
Event Date: 06/12/2019
Event Time: 21:27 [EDT]
Last Update Date: 06/13/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(v)(D) - ACCIDENT MITIGATION
Person (Organization):
ERIC MICHEL (R2DO)
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 100 Power Operation 100 Power Operation

Event Text

HIGH PRESSURE COOLANT INJECTION (HPCI) INOPERABLE

"At 2127 EDT on June 12, 2019, during routine testing, the HPCI turbine experienced an overspeed trip and then subsequently restarted and ramped to the required speed. As a result, the response time of the system exceeded the 60-second acceptance criteria, thereby rendering the system inoperable. This condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v)(D). The Reactor Core Isolation Cooling (RCIC) System and Automatic Depressurization System (ADS) are operable.

"The safety significance of this event is minimal. Troubleshooting activities are in progress.

"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."


Page Last Reviewed/Updated Friday, June 14, 2019
Friday, June 14, 2019