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 1/2 INCH CRACK WAS FOUND ON INTERCOSTAL AT FASTENER HOLE OF LT RAM AIR INLET BS 530. MAINTENANCE REMOVED CRACKED INTERCOSTAL AT BS 530; FABRICATED A NEW REPLACEMENT INTERCOSTAL PER DWG 69-38167; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PG. 10 & 11.