What was found
MCN - MAJOR REPAIR - C - DURING C-17 CHECK L1 DOOR LOWER FUSELAGE HINGE CUTOUT WAS FOUND CRACKED APPROXIMATELY .25 INCH FORWARD BS 305. MAINTENANCE REMOVED DAMAGED AREA OF CUTOUT SKIN AT DOOR HINGE BS 305, FABRICATED A REPAIR PLATE AND INSTALLED REPAIR IAW 53-10-01, FIG 205, PG 217-218.