What was found
MCN - MAJOR REPAIR - "C" - DURING C-10 CHECK A CRACK WAS FOUND ON FWD UPPER CORNER OF AFT CARGO DOOR UNDER PULLY BRACKET AT BS 795.5. MAINTENANCE REMOVED & REPLACED FWD UPPER CORNER FRAME OF AFT CARGO DOOR IAW 737-300 SRM 51-40-02, PG. 38, 51-40-5, PG. 1-2, 51-40-02, PG. 3, AND BOEING DWG #65-47952