What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A 1 1/4" CRACK WAS FOUND ON LOWER FRAME TO FRAME STRAP BS 312 - 328, LBL 11. MAINTENANCE REMOVED PREVIOUSLY INSTALLED REPAIR, FABRICATED A REPAIR PLATE, AND INSTALLED REPAIR IAW B737-300 SRM 53-10-51, PG. 213-219, FIG. 204.