What was found
MAINTENANCE REPORTED A CRACK 0.8 INCH, ON THE LT WING LOWER FRONT SKIN INBD OF RIB 17. MAINTENANCE PERFORMED A MAJOR REPAIR TO THE LT WING LOWER FRONT SKIN IAW ETD2017-170-071633, SRM 51-41-02, 51-43-01, 51-43-02, 51-43-04, & 51-23-05.