What was found
DURING ROUTINE C-CHECK INSPECTION, A CRACK WAS FOUND IN THE EXTERNAL FUSELAGE PLATING AT THE FORWARD UPPER CORNER OF THE FORWARD LOWER CARGO DOOR OPENING. THE CRACK WAS REMOVED BY CUTOUT, AND FABRICATION AND INSTALLATION OF A FILLER AND REPAIR DOUBLERS IAW THE STRUCTURAL REPAIR MANUAL 53-2-0, FIGURE 20. (M)