As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORF - FLT 1020 EN ROUTE PHL TO MCO. UNKNOWN FUMES IN COCKPIT AND CABIN. CREW MEMBERS EXPERIENCED EYE BURNING/ THROAT IRRITATION. CAPT EXPERICENCED EYE BURNING AND DIZZINESS. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO ORF. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT CABIN RECIRCULATION FAN. REPLACED WORN BEARINGS.