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 1/8" CRACK WAS FOUND ON FLANGE OF #1 NACELLE ACCESS PANEL 5727L. MAINTENANCE STOP DRILLED HOLES AND PERFORMED A HFEC INSPECTION TO VERIFY CRACKS WERE CONTAINED; REMOVED NECESSARY FASTENERS; FABRICATED A REPAIR DOUBLER, AND INSTALLED REPAIR PARTS IAW AWA E.R. 03-5433-00340-DL1.