07172018Tue
Last updateTue, 17 Jul 2018 6pm

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NRC Investigating Valve Failure at Browns Ferry Nuclear Plant

The Nuclear Regulatory Commission (NRC) has launched a special inspection into the failure of a high-pressure coolant injection discharge valve on Unit 3 of the Browns Ferry nuclear plant. The plant, operated by the Tennessee Valley Authority (TVA) is located about 32 miles west of Huntsville, AL.

On Sept. 24, during routine testing, the high-pressure coolant injection system unexpectedly pumped water into the reactor vessel instead of a storage tank, and TVA later determined that a failed nut on a valve allowed it to remain partially open. Other plant systems responded as expected, but the valve failure prompted the NRC to begin the special inspection.

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