As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE CREW REPORTED BINDING IN THE AILERON CONTROL SYSTEM. CREW DECLARED EMERGENCY AND RETURNED TO DEPARTURE FIELD, FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL RETORQUED THE RT YOKE NUT ON THE AILERON CONTROL WHEEL. A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RELEASED FOR CONTINUED SERVICE.