What was found
FAILURE OF MAIN MIXTURE ADJUSTMENT NEEDLE LOCKING DEVICE DURING FLIGHT CAUSING MIXTURE TO GO RICH DRAMATICALLY INCREASING FUEL CONSUMPTION WHICH LED TO FUEL STARVATION AND A FORCED LANDING. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FAILURE OF MAIN MIXTURE ADJUSTMENT NEEDLE LOCKING DEVICE DURING FLIGHT CAUSING MIXTURE TO GO RICH DRAMATICALLY INCREASING FUEL CONSUMPTION WHICH LED TO FUEL STARVATION AND A FORCED LANDING. (X)