What was found
(CAN) TSO OF THE TRANSMISSION ASSY 1186.6 HOURS. THE AC HAD TAKEN OFF AND WAS IN CRUISE WHEN A TRANSMISSION METAL DETECTOR LIGHT ILLUMINATED. THE PILOT LANDED AC BACK AT CAMP FOR THE ENGINEER TO INVESTIGATE THE DEFECT. THE BEARING IS AN ON CONDITION BEARING. THE MAST ASSY AND TRANSMISSION ASSY WERE REMOVED. THE COMPONENT SHOP FOUND THAT THE TRANSMISSION INPUT TRIPLEX BEARING, P/N 214-040-118-001, WAS THE FERROUS METAL MAKER. THE MAST BEARING WAS ALSO INSPECTED AND NO DEFECT WAS FOUND. (TC NR 20080128006)