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3 Mile Island accident and the Browns Ferry cable tray fire). The U.S. Nuclear Regulatory Commission (NRC) concluded that fundamental design flaws which were known by plant operators and the NRC itself were at the heart of the problem and should have been fixed years before. En résumé, les informations étaient disponibles et connues qui auraient pu empêcher ce surrefroidissement transitoire; mais en l'absence de modifications adéquates de l'usine, l'incident aurait dû être prévu,<unk> écrit le personnel.