What was found
FOUND RH CENTER FLAP CRACKED AT RIB 17 APPROX 5" AFT OF FRONT SPAR LOWER SKIN. AFTER FURTHER INVESTIGATIONI OF X-RAY FILM AND BORESCOPE OF THE SUSPECTED AREA AREA, NO CRACK WAS NOTED ON RIB 17 OF THE RH FLAP. CUT LOWER SKIN 6" X 3" FOR ACCESS IAW SRM 57-50-00. AFTER VERIFICATION OF NO CRACK ON RIB, FABRICATED AND INSTALLED DOUBLER IAW SRM 51-40-40, SRM 57-50-00 FIG 205, AND SRM 51-40-21. MAJOR REPAIR