Salem nuclear Unit 1 in New Jersey automatically shut down for the second time in less than a week.
An event report with the U.S. Nuclear Regulatory Commission said the reactor automatically tripped for an unknown reason the evening of April 13. Workers with PSEG performed a walkdown of the main generator and all protection circuitry with no visible problems identified. Workers continue to investigate the cause behind the shutdown.
Unit 1 manually tripped offline April 8 after the loss of an operating steam generator feed pump. The unit was brought back online April 11. Unit 2 was shut down for a scheduled refueling outage April 12.
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