What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A 3/4" CRACK WAS FOUND ON AFT CARGO DOOR FORWARD LOWER FRAME BETWEEN THE 1ST AND 2ND STOP FITTINGS, BS 802, RBL 42. MAINTENANCE REMOVED AFT CARGO DOOR FORWARD LOWER FRAME, FABRICATED A NEW SECTION OF FRAME, AND INSTALLED REPAIR IAW SRM 52-30-02, PG. 106, FIG. 101, SRM 51-40-02, PG. 2-4, & 10, AND SRM 51-10-02, PG. 12, 15-16.