As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW ADVISED SMELLING SMOKE ODOR IN CABIN. DIVERTED TO DEN. *S/D* LEFT AIR CONDITIONING RECIRCULATION FAN WAS REPLACED DUE TO SMELL LIKE SMOKE. SHOP FINDINGS CONFIRMED ROUGH AND DRY BEARINGS, BUT NO OTHER INTERNAL HEAT DAMAGE. PROBABLE CAUSE OF SMOKE ODOR IS BEARING OVERHEAT RESULTING IN SMOKING GREASE.