As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AILERONS BECAME VERY STIFF AND WOULD MOVE ONLY UNDER HIGH LOADING, SUSPECT FROZEN CONTROLS DESCENDING OUT OF 6000 FEET CONTROLS BECAME NORMAL. LT AND RT AILERON REAR QUADRANTS CLEANED AND SPRAY WITH WATER REPELLANT. OPERATIONAL TEST CARRIED OUT AS. UNABLE TO FAULT CONSIDERED SERVICEABLE.