What was found
LH WING CENTER FLAP RIBS UPR FLANGE FOUND 4EA CRACKS AT RIB26 BETWEEN STGR2.7 AND REAR SPAR, AND RIB27 BETWEEN STGR2.7 AND REAR SPAR COMPLIED WITH EA: 6-5750-T0385199 P1. TITLE: WING - FLIGHT SURFACES - LH CENTER FLAP CRACKS IN UPPER FLANGES OF RIBS 11, 16, 17, 19, 26 AND 27 AT STR. 2.7/2.8. REPAIRED THE LH WING CENTER FLAP RIBS UPR FLANGE 4EA CRACKS AT RIB26 BETWEEN STGR2.7 AND REAR SPAR, AND RIB27 BETWEEN STGR2.7 AND REAR SPAR. THIS IS CATEGORY A REPAIR. MAJOR REPAIR IAW FEDEX GMM6-2-100. SEE WRI 57506818 FOR WORK DETAILS.