As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - INFLIGHT STL-LAX. CREW REPORTED ODOR IN THE CABIN AND FLIGHT DECK. EMERGENCY DECLARED FLIGHT DIVERTED MCI LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND RECIRCULATION FAN CIRCUIT BREAKER POPPED AND FAN INOPEATIVE. REPLACED RECIRCULATION FAN AND FILTER. SYSTEM GROUND CHECK NORMAL OPERATION.