As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK*** FWD CARGO DOOR CUTOUT SURROUNDING STRUCTURE LOWER MAIN SILL AREA, CORROSION FOUND AT MIDDLE SEAL REST. REMOVED AND REPLACED FWD CARGO LOWER MIDDLE SEAL REST IAW SRM 51-41-01. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.