WASHINGTON, Sept. 16 -- The Nuclear Regulatory Commission issued the following event notification (No. 56108) involving Calvert Cliffs Nuclear Plant, Maryland:
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SAFETY INJECTION ACTUATION SIGNAL WHILE SHUTDOWN
The following information was provided by the licensee via email:
"With Unit 2 in Mode 5 and cooling down for a scheduled maintenance outage, Operations was bypassing safety injection and safety injection bypass sensor modules per procedure. Due to a human performance issue, a safety injection actuation signal was generated. All equipment operated as expected. Operations has reset the safety injection actuation signal and restored the equipment to its required condition.
"Unit 1 was at 100 percent power and unaffected by this issue."
The NRC Resident Inspector will be notified.
Event Number: 56108
Facility: Calvert Cliffs
Unit:   
RX Type:  CE, CE
NRC Notified By: Ervin Lyson
HQ OPS Officer: Adam Koziol
Notification Date: 09/14/2022
Notification Time: 21:43 [ET]
Event Date: 09/14/2022
Event Time: 13:48 [EDT]
Last Update Date: 09/14/2022
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(iv)(A) - Valid Specif Sys Actuation
Young, Matt (R1DO)
Table omitted: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...
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Original text here: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...