As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FLIGHT CREW REPORTED THAT THE AILERON CONTROL FELT STIFF IN BOTH DIRECTIONS. MAINTENANCE INVESTIGATION FOUND THE AILERON PULLEY AT THE LH WING ROOT SEIZED. THE PULLEY WAS REPLACED AND THE ACFT RETURNED TO SERVICE. PULLEY, PN 600-90800-4, AIPC 27-11-00, FIG 1-20. ACFT TSN 25734, SN 13177.