As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 809 JFK-SDQ A/C DIVERTED TO MCO, AT CRUISE A MOMENTARY 10 SEC AROMA OF ELECTRICAL FUMES AND DISSIPATED RAPIDLY. CABIN CREW REPORTED AROMA AT ROW 5 AND MOVED AFT TO CABIN. TURNED OFF CABIN FANS AND FUME AROMA REPORTS STOPPED 20 MIN LATER. FOUND FAN INTERMITTENTLY EXERT LOUD RUMBLING VIBRATION AND NOTED FRICTION SMELLING. REMOVED AND REPLACED AVIONICS EXTRACTION FAN 18 HQ.