As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED WHEN THE 'CONTROL LOCK' WAS RELEASED, THE FLIGHT CONTROLS WERE FREE, BUT THE THROTTLES COULD NOT BE MOVED ABOVE THE IDLE POSITION. INVESTIGATION REVEALED A BROKEN CABLE FROM THE FLIGHT CONTROL LOCK BELLCRANK TO THE THROTTLE LOCK CAM.