As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK FOUND A .25 INCH CRACK IN NR 5 SLAT LOWER SKIN AT FASTENER HOLES BELOW INBOARD AUXILIARY TRACK. MAINTENANCE REMOVED DAMAGE IN NR 5 SLAT LOWER SKIN; FABRICATED A FILLER AND SPLICE PLATE; INSTALLED REPAIR PARTS IAW B737-300 SRM 57-43-01 FIG 206.