As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE, AN ELECTRICAL SMELL WAS SENSED IN THE COCKPIT WITH THE RIGHT RECIRCULATION FAN RUNNING. THE FAN WAS TURNED OFF FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE DEFERRED THE RIGHT RECIRCULATION FAN AND RETURNED THE AIRCRAFT TO SERVICE.