ENS 55137

v t e ENS Event
02:02 Mar 13, 2021
Title	Reactor Recirculation Pump Trip
Event Description	On March 12, 2021, at 2102 (EST), Reactor Recirculation Pump (RRP) 13 tripped. The cause for the trip is under investigation. Following the RRP trip, the Average Power Ranger Monitors (APRMs) flow bias trips are inoperable due to reverse flow through RRP 13. The APRMs were restored to operable on March 12, 2021, at 2110 [EST] when the RRP 13 Discharge Blocking Valve was closed. This 8-hour non-emergency report is being made based upon requirements of 10 CFR 50.72(b)(3)(v)(A) which states: 'Licensee shall notify the NRC of any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to: (A) Shut down the reactor and maintain it in a safe shutdown condition.' The licensee has notified the NRC Resident Inspector.

ENS 55137 +/-
Where
Nine Mile Point New York (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor
Time - Person (Reporting Time:+-0.85 h-0.0354 days <br />-0.00506 weeks <br />-0.00116 months <br />)
Opened:	Tyler Vincent 01:11 Mar 13, 2021
NRC Officer:	Joanna Bridge
Last Updated:	Mar 13, 2021
55137 - NRC Website
v • d • e

v t e Emergency Notification System
Nine Mile Point with 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor
WEEKMONTHYEAR2023-10-23T00:48:00 [Table view]
[ENS list for Nine Mile Point]

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