What was found
NDT INSP - RT CENTER BOX REAR SPAR FR47 FWD FITTING RIB1 HOLE "C" FOUND CRACK SIGNAL. COMPLIED WITH EA 6-5710-T0386164 REPAIRED THE CRACKED CENTER WING BOX REAR SPAR RHS FR47 FWD FITTING RIB1 HOLE "C". TITLE: WINGS - BASIC WING STRUCTURE - FR47 RH REAR SPAR HOLE C CRACK REPAIR - SB A300-57-6113 AND R57110371 EMBODIMENT. THIS IS A CAT "B" REPAIR AND THE POST REPAIR INSPECTION REQUIREMENTS WILL BE PROVIDED PRIOR TO THE EXPIRATION OF INTERIM RDAF. THE FOLLOW UP INSPECTION IS TRACKED BY EA 6-5710-T0386164. MAJOR REPAIR IAW FEDEX GMM 6-2-100. SEE WRI 57107844 FOR WORK DETAILS.