As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-17 CHECK EXFOLIATION CORROSION WAS FOUND ON AFT CARGO COMPARTMENT INTERCOSTAL AT STR 25 RT, BETWEEN BS 747 AND BS 767. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; REMOVED AFT CARGO COMPARTMENT INTERCOSTAL AT STR 25 RT, BETWEEN BS 747 AND BS 767; FABRICATED A NEW REPLACEMENT INTERCOSTAL; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.