What was found
DURING A11 CHECK, FUSELAGE SKIN BULGED UNDER RAIN GUTTER FS 1390 APPROXIMATELY JUST ABOVE NR 2 ENGINE LEFT FORWARD COWL. REMOVED FASTENERS, CUTOUT DAMAGED AREA, FABRICATED REPAIR PARTS 3.5 INCHES BY 5 INCHES. INSTALLED DOUBLER 8.5 INCHES BY 9.5 INCHES PER SRM 53-30-3. REINSTALLED RAIN GUTTER PER SRM 51-30-2.