As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON THE BULK CARGO COMPARTMENT FLOOR STRUCTURE SUPPORT INTERCOSTAL LOWER SURFACE BETWEEN BS 1600 TO BS 1620 RBL 3.0. REMOVED, FABRICATED AND INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02 AND DRW 146N5436 REV B, PART HEAT TREAT FROM "0" CONDITION TO T6 IAW AMS 2770.