As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE SCHEDULED INSPECTION OF THE AILERON TRIM SYSTEM, THE AILERON TRIM SYSTEM FROZE BEFORE FINISHING ONE FULL CYCLE. SUBSEQUENT INVESTIGATION REVEALED THE AILERON TRIM JACK WAS COMPLETELY SEIZED. THE UNIT IS REGULARLY LUBED AND INSPECTED. IT IS UNKNOWN WHAT CAUSED THE PROBLEM AT THIS TIME, BUT TKS FLUID IS SUSPECTED. (X)