What was found
DURING C-17 CHECK A 3 INCH CRACK WAS FOUND IN FUSELAGE SKIN EXTENDING FROM RIVET HOLE AT BS 727C, STR 15 LT. MAINTENANCE CUT OUT DAMAGE IN FUSELAGE AT BS 727C, STR 15 LT, PERFORMED HFEC INSPECTION OF CUTOUT TO VERIFY NO CRACKS EXIST; FABRICATED A FILLER, DOUBLER, AND TRIPLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-00-01 FIG 229 PG 334-335.