What was found
DURING C-17 CHECK A .1875 INCH CRACK WAS FOUND AT FASTENER HOLE ON L-1 DOOR UPPER INNER SKIN BS 339, STR 9 LT. MAINTENANCE CUTOUT DAMAGE ON L-1 DOOR UPPER INNER SKIN BS 339, STR 9 LT; FABRICATED A REPAIR DOUBLER AND FILLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-70-13, PG 1-3 FIG 1.