What was found
(CAN) AIRCRAFT (FLT 4344) WAS ENROUTE WHEN CREW EXPERIENCED AN UNCONTROLLABLE VIBRATION FROM THE RT ENGINE. THE ENGINE WAS SHUTDOWN IN FLIGHT. THE AIRCRAFT WAS DIVERTED AND LANDED AT TRI. IT WAS REPORTED BY THE CREW (TO MAINT CONTROL) THAT THE RT THROTTLE WAS BINDING NEAR FLIGHT IDLE BUT THEY WERE ABLE TO PERFORM A SHUTDOWN. IN ADDITION, IT WAS REPORTED THAT PARTS OF THE COWL/NACELLE HAVE DEPARTED THE AIRCRAFT. (TC NR 20070531002)