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 A .3125 INCH CRACK WAS FOUND ON THE INNER SKIN OF THE FORWARD CARGO COMPARTMENT DOOR AT LIGHTNING HOLE WHERE THE CABLE ENTERS THE DOOR. MAINTENANCE REMOVED DAMAGED SKIN, FABRICATED A REPAIR DOUBLER, AND INSTALLED REPAIR PART IAW B737-300 SRM 51-70-13.