What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK THE NR 4 SLAT WEDGE WAS FOUND DISBONDED AT THE LOWER INBOARD END. MAINTENANCE CUT OUT DAMAGE ON NR 4 SLAT WEDGE; FABRICATED A REPAIR DOUBLER; BONDED REPAIR DOUBLER TO SLAT IAW B737-300 SRM 51-70-10, REPAIR 7, FIG 16, PG 67-69.