NRC CAL – NOV (White)

On September 10, 2015, the NRC issued a Notice of Violation associated with a White Significance Determination Process finding to Entergy Operations, Inc. for a violation of 10 CFR Part 55.46(c), "Plant-Referenced Simulators," involving River Bend Station's simulator failure to accurately reproduce the operating characteristics of the facility. Specifically, as of January 30, 2015, the simulator failed to demonstrate expected plant response to operator input and to normal, transient, and accident conditions to which the simulator has been designed to respond. These simulator modeling issues led to negative training of operators, which contributed to operator challenges to control the plant and maintain plant parameters during a reactor scram in the actual plant that occurred on December 25, 2014.