Workers find issue at San Onofre diesel generators
May 29, 2012 at 17:53 PM EDT
HOUSTON, May 29 (Reuters) - Southern California Edison told U.S. nuclear regulators that its workers identified a potential problem that would have incorrectly shut emergency diesel generators at the San Onofre nuclear station in California at the worst possible time -- when the plant lost off-site power during an earthquake, the company said on Tuesday.