What was found
1EA CRACK (30 MM) WAS FOUND AT RH WING CENTER FLAP RIB 12 AFT AREA OF TOP SURFACE RIB FLANGE. ACCOMPLISHED THE FLANGE REPAIR AT RIB12, S-2.8~REAR SPAR AND EXTERNAL DOUBLER REPAIR AT RIB11~12, S-2.1~REAR SPAR I.A.W FEDEX EA NO:T6-5750-T0380123 P1, SEQ NO:762, TITLE:WINGS-FLIGHT SURFACES-RH CENTER FLAP-CRACKS IN UPPER FLANGES OF RIB 12 AND 27-ALI 575306-01-1A. THE REPAIR CLASSIFIED AS CAT.A MAJOR PER GMM 6-2-100.