As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2070 AFTER TAKEOFF, THE AIRCRAFT WANTED TO ROLL RIGHT. ALL ENGINE INDICATIONS WERE NORMAL AND MATCHED, THE TURN COORDINATION WAS CENTERED, FULL LEFT AILERON TRIM WAS NEEDED TO RETURN CONTROL TO NEAR NORMAL. MAINTENANCE REPLACED THE RIGHT AILERON TRIM ACTUATOR. OPERATIONAL CHECK FLIGHT GOOD. OPERATION AND FUNCTIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.