What was found
(CAN) ON A LOCAL FLIGHT, DECLARED AN EMERGENCY DUE TO A STUCK THROTTLE. THE AIRCRAFT LANDED WITHOUT INCIDENT. AFTER THE AIRCRAFT WAS HANDED OVER TO MAINTENANCE AN INSPECTION WAS CARRIED OUT AND IT WAS FOUND THAT THE THROTTLE LINKAGE WAS BINDING ON THE DUCT TO THE CARBURETOR BOX. THE DUCT WAS RE POSITIONED & SECURED. SEVERAL FUNCTIONAL CHECKS WERE CARRIED OUT WITH NO FAULTS FOUND. AIRCRAFT WAS RETURNED TO SERVICE. THE CARBURETOR WAS REPLACED TWO (2) DAYS PRIOR TO THIS INCIDENT OCCURRING.