As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - INFLIGHT BOS-LAX. CREW REPORTED ODOR IN CABIN FOLLOWED BY EQUIPMENT OVERHEAT EICAS MESSAGE. EMERGENCY DECLARED FLIGHT DIVERTED MCI LANDED WITHOUT INCIDENT. DEFERRED PRIMARY EQUIPMENT COOLING FAN INOPERATIVE PER MEL 21-22A. REPLACED FAN AT TUL ON 12/08/2011. SYSTEM GROUND CHECK NORMAL OPERATION.