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NRC Issues Event Notification for Arkansas Nuclear Plant

  • Dec 1, 2021
  • 307 views
Source: 
Targeted News Service

WASHINGTON, Nov. 30 -- The Nuclear Regulatory Commission issued the following event notification (No. 55614) involving Arkansas Nuclear Plant:

AUTOMATIC REACTOR TRIP

"On November 29, 2021 at 1458 CST, Arkansas Nuclear One, Unit 1, (ANO-1) automatically tripped due to high Reactor Coolant System pressure after the 'A' Main Feedwater Pump was manually tripped due to lowering speed.

"ANO-1 is currently stable in MODE 3 (Hot Standby) maintaining pressure and temperature with the P-75 Auxiliary Feedwater pump and steaming to the Condenser.

"There are no indications of a radiological release on either unit as a result of this event.

"This report satisfies the reporting criteria of 10 CFR 50.72(b)(2)(iv)(B) and 10 CFR 50.72(b)(3)(iv)(A) for the Reactor Protection System actuation.

"The NRC Senior Resident Inspector has been notified."

Unit 2 was not affected.

Power Reactor

Event Number: 55614

Facility: Arkansas Nuclear

Region: 4

State: AR

Unit: [1] [] []

RX Type: [1] B&W-L-LP,[2] CE

NRC Notified By: Pete Draper

HQ OPS Officer: Karen Cotton-Gross

Notification Date: 11/29/2021

Notification Time: 18:47 [ET]

Event Date: 11/29/2021

Event Time: 14:58 [CST]

Last Update Date: 11/29/2021

Emergency Class: Non Emergency

10 CFR Section:

50.72(b)(2)(iv)(B) - RPS Actuation - Critical

50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation

Person (Organization):

Taylor, Nick (R4)

Table omitted: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2021/2...

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