What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CARGO DOORWAY SURROUNDING STRUCTURE, FOUND THE FWD FINGER PLATE DOUBLER BETWEEN FRAMES 77 TO 78, STRINGERS 26R TO 27R AFT CARGO DOOR CUTOUT FINGER DOUBLER WAS REPLACED IAW SRM 51-43-04, REV 36.