As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED HIGH CHT AND OIL TEMP IN FLIGHT. RAN AIRCRAFT AND FOUND ENGINE RUNNING LEAN, ATTEMPTED TO SET THE MIXTURE BUT WE WERE UNABLE TO. WHEN DISCONNECTING MIXTURE CONTROL CABLE FROM FUEL CONTRO AND MOVING THE SHAFT ON FUEL CONTROL BY HAND, FOUND IT ROUGH AND BINDING.