ENS 54199

v t e ENS Event
21:45 Aug 4, 2019
Title	Average Power Range Monitors Declared Inoperable
Event Description	On August 4, 2019 at 1745 [EDT], Reactor Recirculation Pump (RRP) 11 tripped. The cause for the trip is under investigation. Following the RRP trip, the Average Power Range Monitors (APRMs) flow bias trips are inoperable due to reverse flow through RRP 11. The APRMs were restored to operable on August 4, 2019 at 1807, when the RRP 11 Discharge Blocking Valve was closed. This 8-hour non-emergency report is being made based upon requirements of 10CFR50.72(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 54199 +/-
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:+3.72 h0.155 days <br />0.0221 weeks <br />0.0051 months <br />)
Opened:	Joe Blakeley 01:28 Aug 5, 2019
NRC Officer:	Howie Crouch
Last Updated:	Aug 5, 2019
54199 - 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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