As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE CREW SMELLED SMOKE ACCOMPANIED WITH AN FWD EQUIP EXHAUST FAN EICAS MESSAGE. CREW ELECTED TO DIVERT TO CMH AS A PRECAUTION. CVG MTC IN CMH CONFIRMED THAT THE EXHAUST FAN WAS BAD AND RUBBING ON SHROUD. DISCONNECTED CANNON PLUG FROM FAN AND FORWARDED TO MCO PER MEL 21-58-04B.