As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2417, ONCE AFTER TAKE OFF AND ONCE ENROUTE, AILERON TRIM WENT FULL SCALE RT WING DOWN. AUTO PILOT WAS ON BOTH TIMES. SELECTED AUTO PILOT OFF DID NOT HAPPEN AGAIN. REPLACED TRIM CONTROL PANEL AND TRIM ACTUATOR. SYSTEM OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.