NRC Form 366, 366A, and 366B "Licensee Event Report"

Part of the NRC’s function is to license and regulate the operation of commercial nuclear power plants to ensure protection of public health and safety and the environment in accordance with the Atomic Energy Act of 1954 (the Act) as amended. In order for the NRC to carry out these responsibilities, licensees must report significant events in accordance with §50.73, so that the NRC can evaluate the events to determine what actions, if any, are warranted to ensure protection of public health and safety or the environment. §50.73 requires reporting on NRC Forms 366, 366A, and 366B.

The latest form for NRC Form 366, 366A, and 366B "Licensee Event Report" expires 2023-08-31 and can be found here.