What was found
DURING HEAVY MAINTENANCE, AFT CARGO DOOR CUTOUT LOWER SILL BEAM CORRODED; REPLACED SILL BEAM AS PER SRM REF 51-43-03/04 REV 37 REF YRQ NRC 53-216.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, AFT CARGO DOOR CUTOUT LOWER SILL BEAM CORRODED; REPLACED SILL BEAM AS PER SRM REF 51-43-03/04 REV 37 REF YRQ NRC 53-216.