As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM WET RUNWAY, CLIMBED TO FL320 IN RAIN/SNOW. TEMP -48`C IN CRUISE. WHILE MAKING LT TURN, WITH AP, RECEIVED LT WING DOWN AUTOPILOT TRIM CAUTION MSG MOMENTARILY. PERFORMED VISUAL INSP AILERON SYS FROM BULKHEAD TO AILERONS WHILE OPERATING THE SYS. FOUND NO OBSTRUCTION. ALL PULLEYS AND QUADRANTS, OPS NORMAL. INSP FLUTTER.