OYSTER CREEK: LIQUID PENETRANT SURFACE INDICATIONS FOUND ON CONTROL ROD DRIVE RETURN NOZZLE SAFE END TO PIPE WELD

Oyster Creek Nuclear Generating Station (RX Type: GE-2) is currently in Cold Shutdown executing Refueling Outage 1R24, which includes in-service inspections.

At 1240 EST, General Electric notified Oyster Creek Management of surface indications that were detected by dye penetrant testing. The indications are in the adjacent base material area of the System Pressure Boundary weld. The indications are located Top Dead Center (TDC) of the 3 inch pipe. Indication #1 is upstream 0.7 inches away from the weld toe, the indication is 1.5" long. Indication #2 is downstream 0.2 inches away from the weld toe, the indication is 2.5" long. The depth of the indications are unknown at this time.
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