What was found
RT WING CENTER FLAP RIBS UPR FLANGE FOUND 7EA CRACKS AT RIB11 BETWEEN S2.6 AND REAR SPAR, RIB12 BETWEEN STGR2.7 & REAR SPAR, RIB13 BETWEEN S2.6 AND S2.8 COMPLIED WITH EA 6-5750-T0325371 A REPAIRED THE RH WING CENTER FLAP RIB UPR FLANGES 7EA CRACKS OF RIB11, 12 AND 13 BETWEEN STGR2.6 AND REAR SPAR. TITLE: WINGS - FLIGHT SURFACES - RH CENTER FLAP RIB11, 12, 13, 18, 19, 25, 26, 27 UPPER FLANGES AND UPPER SKIN CRACKS AT RIB27. THIS IS A CAT A REPAIR. MAJOR REPAIR IAW FEDEX GMM 6-2-100.