What was found
(CAN) DURING HEAVY MX INSPECTION, THE MECHANIC SUSPECT CORROSION AT THE RT WING AILERON INPUT QUADRANT SHAFT AT THE BEARING. AFTER QUADRANT REMOVAL, THE SHAFT PN 82740083-101 WAS REMOVED FOR FURTHER INVESTIGATION, THE LEVER WAS ALSO REMOVED FROM THE ASSEMBLY & SEVER CORROSION WAS FOUND AT THE SPLINE, CAUSING THE PARTS TO BE REPLACED. THAT THERE IS NO SPECIFIC INSPECTION TASK IN THE MRB MANUAL.