On February 23, 2021, the NRC issued a severity level III Notice of Violation to South Texas Project Nuclear Operating Company’s South Texas Project Electric Generating Station, Units 1 and 2, for a violation of Title 10 of the Code of Federal Regulations (CFR) Part 50.9(a) and Appendix B to 10 CFR Part 50, for the failure to maintain complete and accurate information in the form of a written statement that was collected as part of a root cause evaluation for a refueling mishap.