What was found
RT WING CENTER FLAP RIBS UPR FLANGE FOUND 3EA CRACKS AT RIB18 BETWEEN STGR2.7 AND REAR SPAR, RIB19 BETWEEN STGR2.8 AND REAR SPAR COMPLIED WITH EA 6-5750-T0325371 A REPAIRED THE RH WING CENTER FLAP RIB UPR FLANGES 3EA CRACKS OF RIB18 AND 19 BETWEEN STGR2.7 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.