Several more maintenance problems have been discovered at the Monju fast-breeder reactor facility in Tsuruga, Fukui Prefecture, which has been banned from operation following the discovery of over 10,000 cases of maintenance errors in 2013, it has been learned.
The Nuclear Regulation Authority (NRA) secretariat revealed on March 25 that the newly discovered maintenance errors — which involve the facility’s piping system — mean that Monju operator Japan Atomic Energy Agency (JAEA) may have violated safety regulations.
The NRA secretariat conducted safety inspections on pipes and other components at the troubled Monju facility between March 2 and 20. JAEA is responsible for checking the thickness and corrosion of the cooling pipes and the pipes for liquid sodium circulation, but the agency has failed to conduct the checks properly, only conducting visual inspections of the pipes, it is reported.
Continue reading at More errors with Monju nuclear reactor maintenance found
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