Officials rejected some fixes to San Onofre plant

A re­port re­leased March 8 by the Nuc­le­ar Reg­u­lat­ory Com­mis­sion provides the most de­tailed pic­ture to date of how the flawed sys­tem at San Ono­fre was de­signed. It was writ­ten by Mit­subishi Heavy In­dus­tries, which built the gen­er­at­ors.