PNO-IV-87-009, A:on 870311,steam/water Hammer Event Occurred in Component Cooling Water Lines Servicing RHR HX Trains B & C.Caused by Operational Errors.After Cooldown from Hot Functional Testing,Sys Damage Will Be Repaired

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• PNO-IV-87-009, on 870311,steam/water Hammer Event Occurred in Component Cooling Water Lines Servicing RHR HX Trains B & C. Caused by Operator Overlooking Step in Procedure.All Hot Functional Testing Put on Hold Pending Evaluation