As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK CARGO DOOR INNER SKIN HAS NUMEROUS TOOLING MARKS. MAINTENANCE R & R CARGO DOOR INNER LOWER SKIN IAW SRM 51-40-02. RESTORED ORIGINAL FINISH IAW CPM 51-21-06. CARGO DOOR INNER UPPER SKIN IS DAMAGE FREE. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.