As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RDU - INFLIGHT JFK-MIA. FLIGHT ATTENDANT REPORTED BURNING RUBBER ODOR AND HAZE IN AFT CABIN DURING FLIGHT. EMERGENCY DECLARED FLIGHT DIVERTED RDU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RECIRCULATION FAN FILTERS. SYSTEM GROUND CHECK NORMAL OPERATION.