What was found
(AUS) ENGINE FUEL CONTROL UNIT IDLE MIXTURE ADJUSTMENT SPINDLE MISSING- SUSPECT CAUSED BY FAILURE OF POSITIONING SPRING WHICH THEN ALLOWED THE ADJUSTMENT SPINDLE TO VIBRATE FREE
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) ENGINE FUEL CONTROL UNIT IDLE MIXTURE ADJUSTMENT SPINDLE MISSING- SUSPECT CAUSED BY FAILURE OF POSITIONING SPRING WHICH THEN ALLOWED THE ADJUSTMENT SPINDLE TO VIBRATE FREE