As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPERATIONAL OF AIRCRAFT CREW REPORTED DIFFICULTY UTILIZING THE AILERON CONTROLS. MAINTENANCE PERSONNEL FOUND HEAVY DEPOSITS OF DIRT ON THE CONTROL CABLES AND PULLEYS. THE CABLES AND PULLEYS WERE CLEANED AND A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED. AIRCRAFT WAS RELEASED FOR CONTINUED SERVICE.