As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT DEPARTED BASE WITH NO CREW ON BOARD. SHORTLY AFTER DEPARTURE HE SMELLED FUEL IN CABIN AND PERFORMED A PRECAUTIONARY LANDING AT LOCAL MUNICIPAL AIRFIELD. PILOT SHUT DOWN AND CHECKED AIRCRAFT WITH NO DEFECTS OR SMELLS PRESENT. HE CONTINUED ON HIS FLIGHT WITH NO OTHER SMELL OR DISCREPANCY NOTED.