As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED, FLIGHT CREW REPORTED DIESEL LIKE ODOR IN COCKPIT AFTER TAKEOFF. FLIGHT DIVERTED AND LANDED UNEVENTFULLY. MULTIPLE INSPECTIONS AND CHECKS WERE PERFORMED TO LOCATE THE SOURCE. NO FINDINGS WERE FOUND. NO FAULTS NOTED AT THIS TIME. ACFT OK FOR SERVICE.