What was found
WHILE PERFORMING C-CHECK, FOUND LEFT WING, INBOARD SLOT DOOR TOPSIDE, HAS EXFOLIATION CORROSION IN AREAS MARKED. REMOVED CORROSION, FABRICATED AND INSTALLED DOUBLER IAW DOUBLAS AIRCRAFT ROD SKETCH NR 96-04-01-0002, AND SRM 51-1-20D AND INSTALLED SLOT DOOR IAW SRM 51-3-0. (X)