What was found
DURING HEAVY MAINTENANCE, CRACK DISCOVERED AT RIB 10 AND SPAR II LOWER SKIN RH WING L=1.375""; (REF TOMX NR 00055) ACCOMPLISHED REPAIR IAW EMBRAER ETD2021-190-006388 REV. C, TOMX ETI 190-21-623 REV 3, AND JETBLUE EC E21-282-01. MAJOR REPAIR.