As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED CONDITION LEVER VERY HARD TO MOVE AND FRICTION KNOB STUCK. MAINTENANCE INSPECTED AND LOOSENED THE FRICTION KNOB, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-10-00. FUNCTION CHECKS WERE COMPLETED, AND THE AIRCRAFT WAS RETURNED TO SERVICE.