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 1" CRACK WAS FOUND ON L/H MAIN LANDING GEAR WHEEL WELL KEEL BEAM OUTER SKIN BS 716. MAINTENANCE REMOVED KEEL BEAM OUTER SKIN PANEL; FABRICATED A NEW REPLACEMENT SKIN PANEL AND 2 EACH INNER DOUBLERS; INSTALLED REPAIR PARTS IAW AWA E.R. 03-5331-01025-SS1A.