As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, SMELLED ELECTRICAL FUMES, SMOKE, AND FELT VIBRATION. DIVERTED TO CMH AND LANDED UNEVENTFULLY. FOUND AVIONICS BLOWER FAN SEIZED. SWAPPED WITH EXTRACT FAN AND APPLIED MEL PROVISIONS FOR EXTRACT FAN. AIRCRAFT RETURNED TO SERVICE.