As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, REPORTED THAT L2 DOOR CUTOUT MATELLIC THRESHOLD UPPER ATTACH FLANGE NEAR FWD GIRT BAR FLOOR FITTING FASTENERS CORRODED. MAINTENANCE R & R L2 DOOR CUTOUT MATELLIC THRESHOLD UPPER ATTACH FLANGE NEAR FWD GIRT BAR FLOOR FITTING FASTENERS IAW SRM 51-41-02.