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The commission, which has already reviewed the full report, said it intends to make the redacted version public.

Sen. Barbara Boxer (D-Calif.) and U.S. Rep. Ed Markey (D-Mass.) obtained a leaked copy of the report and wrote to the head of the NRC last week alleging that the report “indicates that Southern California Edison (SCE) and MHI were aware of serious problems with the design of San Onofre nuclear power plant’s replacement steam generators before they were installed.”

The lawmakers said the report indicated the utility and the manufacturer “rejected enhanced safety modifications and avoided triggering a more rigorous license amendment and safety review process.”……. The U.S. Nuclear Regulatory Commission has asked Mitsubishi Heavy Industries to hand over a redacted version of a proprietary report on equipment issues at the now-shuttered San Onofre nuclear plant.

The commission, which has already reviewed the full report, said it intends to make the redacted version public.

Sen. Barbara Boxer (D-Calif.) and U.S. Rep. Ed Markey (D-Mass.) obtained a leaked copy of the report and wrote to the head of the NRC last week alleging that the report “indicates that Southern California Edison (SCE) and MHI were aware of serious problems with the design of San Onofre nuclear power plant’s replacement steam generators before they were installed.”

The lawmakers said the report indicated the utility and the manufacturer “rejected enhanced safety modifications and avoided triggering a more rigorous license amendment and safety review process……. As part of a series of follow-up questions on the plan, the NRC asked Edison to show that the tubes could maintain integrity at 100% of its licensed operating power. NRC staff said at a public meeting Tuesday that Edison had not yet submitted a response.

The question raises the possibility that the NRC will require Edison to obtain a license amendment — something many activists have been pushing for — if the company cannot demonstrate it is able to operate the unit safely at its full licensed power. “http://latimesblogs.latimes.com/lanow/2013/02/nrc-san-onofre-mitsubishi-report.html