What was found
DURING C-CHECK, FOUND CORROSION ON RIGHT WING REAR SPAR UPPER CAP AT STATION XORS 562.390, UNDER THE INBOARD FLAP HINGE OF THE OUTBOARD FLAP. CORROSION WAS REMOVED AND A MAJOR REPAIR WAS MADE IAW BOEING MESSAGE DAR-FCO-00-00001E, AND A FAA FORM 8110-3 WAS ISSUED. (M)