What was found
MCN - MAJOR REPAIR - "C" - DURING C-10 CHECK A CRACK WAS FOUND ON FWD LOWER CORNER OF AFT CARGO DOOR BS 795.5. MAINTENANCE REMOVED & REPLACED FWD LOWER CORNER FRAME OF AFT CARGO DOOR IAW 737-300 SRM 51-40-02, PG. 38, 51-10-02, PG. 15-16, 51-40-02, PG. 3, AND BOEING DWG #65-47952