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    NRC Issues Event Notification for Calvert Cliffs Nuclear Plant, Md.


    September 16, 2022 - Targeted News Service

     

      WASHINGTON, Sept. 16 -- The Nuclear Regulatory Commission issued the following event notification (No. 56108) involving Calvert Cliffs Nuclear Plant, Maryland:

      * * *

      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.

      Power Reactor

      Event Number: 56108

      Facility: Calvert Cliffs

      Region: 1

      State: MD

      Unit: [2] [] []

      RX Type: [1] CE,[2] 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

      Person (Organization):

      Young, Matt (R1DO)

      Table omitted: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...

      * * *

      Original text here: https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/2...

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