As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI PRIOR TO TAKEOFF, THE LEFT HAND POWER LEVER WOULD NOT ADVANCE ABOVE THE FLIGHT IDLE POSITION, WHEN SELECTED. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND LUBRICATED THE POWER LEVER CONTROL LOCK GATE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 76-11-06. OPERATION CHECKS WERE SATISFACTORY, AND THE AIRCRAFT WAS RETURNED TO SERVICE.