As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-17 CHECK 3 EACH 2 INCH CRACKS WERE FOUND ON NR 3 SLAT SKIN AT FASTENER HOLES ABOVE OUTBOARD AUXILIARY TRACK (HFEC VERIFIED). MAINTENANCE CUTOUT CRACKED SECTION OF NO. 3 SLAT SKIN; FABRICATED A FILLER AND SPLICE PLATE; INSTALLED REPAIR PARTS IAW B737-300 SRM 57-43-01, PG. 216-219, FIG. 206.