In June, a team of federal investigators announced that a botched computer analysis resulted in design flaws that are largely to blame for the unusual tube wear.

NPR: Calif. Reactors Might Be Retired If Restart Nixed

Last year, federal regulators blamed heavy tube wear in the generators on a botched computer analysis that they said badly misjudged how water and steam would flow in the reactors, along with manufacturing problems.

NPR: San Onofre Submits Draft Linked To Restart Bid

That forensic analysis was conducted by a computer expert, the family said.

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