NRC CAL – NOV (White)

On August 24, 2017, the NRC issued a Notice of Violation to FirstEnergy Nuclear Operating Company (FirstEnergy) for a violation of Title 10 of the Code of Federal Regulations Part 50, Appendix B at Perry Nuclear Power Plant, associated with a White Significance Determination Process finding. Contrary to the requirements, FirstEnergy failed to conduct adequate design control of a modification to the electrical circuitry for emergency start of the site Standby Diesel Generators. Specifically, FirstEnergy failed to evaluate the effect of a shorted diode on the emergency start circuitry. Additionally, there is an associated violation of Technical Specification 3.8.1, "AC Sources Operating," for one Standby Diesel Generator being inoperable for greater than the allowed outage time of 14 days.