What was found
DURING HEAVY CHECK, FWD CARGO DOOR CUTOUT LOWER SEAL BEAM IS CORRODED. MAINTENANCE R & R FWD CARGO DOOR CUTOUT LOWER SEAL BEAM IAW SRM 51-40-02, 51-41-01, 51-41-02, 51-43-03, 51-43-04. RESTORED TOP COAT IAW SRM 51-23-06, FCBS NO CHANGE TO INSPECTION REQUIREMENTS. PN 170-67118-003, BEAM.