What was found
RIGHT ENG PYLON AFT FIRING ONE HYD TUBE LOOSED. CLEAN THE RELATED AREA PER A300-600 AMM51-78-00 AND FOUND THE WING SKIN HOLE DAMAGED. OVERSIZE THE HOLE CONCENTRICALLY TO REMOVE THE DAMAGE. PERFORM HFEC INSPECTIONS TO THE REWORKED AREA AND NO CRACK FOUND PER A300-600 NTM51-10-08. MANUFACTURE A FREEZE PLUG BUSH AND TWO STEEL RETAINING WASHERS AND INSTALLED THE FREEZE PLUG BUSH & THE TWO WASHERS PER REPAIR DRAWING: R57150532 ISSUE A & EA6-5730-T0309579 PART1. CATEGORY B REPAIR.