As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND FWD CARGO AFT CORNER SEAL REST HAS AN AREA CORROSION. REMOVED DAMAGED SEAL REST AT FWD CARGO AFT CORNER. LOCATED, DRILLED AND INSTALLED NEW SEAL REST AT FWD CARGO AFT CORNER. SURFACE PROTECTION APPLIED. REF SRM 51-40-02 51-40-08. A/C REMAINS IN CHECK.