As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUMES IN THE COCKPIT & CABIN DIRING FLIGHT. DECLARED EMERGENCY, DIVERTED TO MKE. C/W ETN-EM-72-034 AND FIM TASK 21-20-00-810-801A. NO FURTHER DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED LT ENGINE IAW WC 71-000-00 OPC AND LEAK CHECK GOOD PERFORMED ODOR EVENT IAW ETN-EM-72-034. NO FUTHER ODORS AT THIS TIME END.