As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE CREW REPORTED THE RIGHT HAND ENGINE THROTTLE LEVER LOCKED UP. THE FLIGHT LANDED UNEVENTFULLY. THE THROTTLE GEARBOX ASSEMBLY WAS FOUND TO BE INOPERATIVE AND WAS REPLACED. A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RETURNED TO SERVICE.