What was found
LEFT WING, CENTER FLAP INTERNAL RIB #12 CRACKED 6 FASTENERS FWD OF REAR SPAR. REMOVED DAMAGE ON L/H WING CENTER FLAP RIB #12 IAW SRM 57-50-00, FIG. 201, FABRICATED REPAIR ANGLE IAW SRM 57-50-00, FIG 20, INSTALLED REPAIR ANGLE IAW SRM 51-40-21, CLASSIFED AS "A" AND MAJOR REPAIR.