As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FORWARD UPPER CORNER CASTING IS CRACKED ON MAIN CARGO DOOR AS SEEN FROM DOOR INTERIOR. REMOVED FORWARD UPPER CORNER CASTING AT MAIN CARGO DOOR PER SRM 51-30-2. REPLACED CASTING PER SRM 51-10-1 PAR 4 AND 51-30-2, N/R 3581.