Earlier this year an investigation of inspection records of key safety equipment at the Monju fast-breeder prototype station revealed over 10,000 irregularities in the documentation of checkups and operations management efforts. Originally the utility operating the station, the Japan Atomic Energy Agency, had claimed to have conducted proper inspections and documentation, but admitted earlier this month that vital safety checks had in fact never been completed.
In response to the serious safety violation, the Nuclear Regulation Authority has dispatched eight officials to conduct an on-site investigation. The utility still has some 4,000 inspections left to conduct.
Source: JiJi Press
Source: Asahi Shimbun