As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF, EXPERIENCED A SUDDEN RWD ROLL INPUT THROUGH THE YOKE. HELD WINGS LEVEL MANUALLY. THEN NOTICED AILERON TRIM INDICATED FULL SCALE RWD. RETRIMMED TO NEUTRAL. AILERON TRIM SYS OPERATED NORMALLY FOR THE REST OF THE FLIGHT. REPLACED AILERON/RUDDER TRIM CONTROL PANEL IAW AMM TASKS 27-13-16-000-801 & 27-13-16-400-801. OPS CKS ARE GOOD. RETURNED TO SERVICE.