As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND ON FWD CARGO DOOR CUTOUT CLOSING PLATE. CLOSING PLATE WAS REMOVED AND REPLACED IAW AMM 20-10-01 . AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.