As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PTY - CREW REPORTED ELECTRICAL ODOR IN CABIN AFTER UNKNOWN THUMP WAS FELT. EMERGENCY DECLARED, RETURNED TO PTY WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT RECIRCULATION FAN AT MIA. SYSTEM GROUND CHECKED NORMAL OPERATION.