As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT FLIGHT LEVEL 310 AILERON SYSTEM PARTIALLY JAMMED RT AILERON 2 UNITS UP. REQUESTED LOWER ALTITUDE FLIGHT LEVEL 280 AND AILERON IMPROVED. AIRCRAFT FLOWN MANUALLY, APPROACH NORMAL (SUSPECT CABLE RUN HUMIDITY/FROZEN) AILERON REAR LT & RT QUADRANT LUBRICATED AND FUNCTIONAL (MANUAL) CHECKED SERVICEABLE AS PER MM 27-11-00