NRC CAL – NOV (White)

On October 26, 2023, the NRC issued a notice of violation associated with a white significance determination process finding to Constellation Energy Generation, LLC at Calvert Cliffs Nuclear Power Plant. The white finding, an issue of low-to-moderate safety significance, involved the licensee’s failure to establish and implement appropriate procedures and instructions for performing maintenance on the safety-related 1A emergency diesel generator as required by Technical Specification 5.4.1.a and Regulatory Guide 1.33.