NRC Issues Event Notification for Cook Nuclear Plant, Mich.
- Aug 30, 2022 1:53 pm GMT
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AUTOMATIC REACTOR TRIP DUE TO REACTOR COOLANT PUMP TRIP
The following information was provided by the licensee via fax or email:
"This notification is being made in accordance with 10 CFR 50.72(b)(2)(iv)(B), Reactor Protection System (RPS) actuation as a four (4) hour report, and under 10 CFR 50.72(b)(3)(iv)(A), specified system actuation of the Auxiliary Feedwater System, as an eight (8) hour report. The DC Cook Resident NRC Inspector has been notified.
"Unit 1 is being supplied by offsite power. All control rods fully inserted. All Auxiliary Feedwater Pumps started properly. Decay heat is being removed via the Steam Dump System. Preliminary evaluation indicates all plant systems functioned normally following the Reactor Trip. DC Cook Unit 1 remains stable in Mode 3 while conducting the Post Trip Review. No radioactive release is in progress as a result of this event.
"Unit 2 remains stable at 100% power / Mode 1."
Event Number: 56076
Unit:   
RX Type: 
NRC Notified By:
HQ OPS Officer:
Notification Time: 15:41 [ET]
Event Time: 13:48 [EDT]
Last Update Date:
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
Pelke, Patricia (R3DO)
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Original text here: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...
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