What was found
DURING AN ANNUAL INSPECTION, CRACKS WERE FOUND ON THE MLG DRAG LINK FITTING SUPPORT TUBE ASSEMBLIES LOCATED ON THE RT INBD P/N 17420-01, RT OTBD, P/N 17420-02, AND LT OTBD P/N 17420-03 AFT MOUNTING BOLT HOLES. TWO TUBE ASSEMBLIES REQUIRED REPLACEMENT AND ONE WAS REPAIRABLE. SUBMITTER SPECULATED THAT THE AFT MOUNTING BOLTS WERE NOT CHECKED FOR TORQUE DURING INSPECTIONS.