What was found
DURING HEAVY CHECK FWD CARGO DOOR LOWER BEAM, NUTPLATE STRAPS ARE CORRODED IN 5 PLACES. MAINTENANCE R & R FWD CARGO DOOR LOWER BEAM, NUTPLATE STRAPS IAW SRM 51-40-0251-40-01,51-41-02 MATCHED DRILLED INSTALLED SEAL REST IAW SRM 51-40-02, 51-41-01,51-41-02. MAJOR REPAIR.