What was found
(CAN) DURING DESCENT THE ENGINE WAS REPORTED AS NOT RESPONDING TO THROTTLE INPUT. THE ENGINE WAS SHUTDOWN IN FLIGHT. THE ENGINE WAS INSPECTED AND INSTALLED ON A SECOND AIRCRAFT. DURING A SUBSEQUENT FLIGHT, THE PROBLEM RE-OCCURRED WITH THE ENGINE AGAIN BEING SHUTDOWN IN FLIGHT. MFG WILL MONITOR THE INVESTIGATION OF THESE EVENTS AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED.