What was found
DURING HEAVY MAINTENANCE: CRACK ON RIB 17 OF WING LEADING EDGE SKIN AT LH WING; REF TOMX W/O 2037 NR 00182. RIB 17 OF WING LEADING EDGE SKIN AT LH WING WAS REPLACED PER EMB 190-SRM 51-41-02, EMB-190 SRM 51-42-02, AND EMB-190 SRM 51-43-04.