What was found
WHILE ACFT IN HEAVY CHECK MAINT FOUND AFT CARGO CUTOUT STRUCTURE HAS CORROSION AROUND 2EA FASTENER HOLES WHERE METAL PROTECTIVE PLATE ATTACHES. REMOVED DAMAGE FROM AFT CARGO CUTOUT STRUCTURE ON FWD AND AFT CORNER SEAL REST AROUND 2EA FASTENER HOLES WHERE METAL PROTECTIVE PLATE ATTACHES REF SRM 51-10-03. REMOVED DAMAGED AFT CARGO DOOR AFT SEAL REST FITTING. LOCATED, AND DRILLED NEW AFT CARGO DOOR AFT SEAL REST FITTING REF SRM 51-40-08, 51-40-02. REMOVED DAMAGED AFT CARGO DOOR FWD SEAL REST FITTING, LOCATED, AND DRILLED NEW AFT CARGO DOOR FWD SEAL REST FITTING REF SRM 51-40-08, 51-40-02. INSTALLED AFT CARGO DOOR LOWER FWD AND AFT CORNER SEAL REST FITTINGS REF SRM 51-40-08. APPLIED TOP COAT TO SEAL RESTS AT AFT CARGO DOOR REF SRM 51-23-06. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.