What was found
LT WING AILERON OTBD BONDING WIRE ATTACHMENT, HINGE BRACKET RIB CORRODED. REMOVED AND REPLACED RIB ASSY, WS 817.27, IAW SRM 51-40-02 AND DWG 113N1501 DUE TO OUT OF LIMITS PER SRM 57-51-09, FIG 101, DETAIL IV. REPAIR IS CLASSIFIED AS A MAJOR REPAIR.