As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1229 BOS-RDU, AT FLIGHT 280 A/P BEGAN UNCOMMANDED ROLL TO RIGHT DISCONNECTED AUTOPILOT. MANUALLY FLEW AIRCRAFT TO TOUCHDOWN. REMOVED AND REPLACED AUTO PILOT AILERON SERVO IAW AMM 22-11-04. CHECK OK. NOTE: THIS AIRCRAFT HAD THE SAME ITEM REPORTED ON 6/5/12, FIM WAS ACCOMPLISHED AND WAS CONSIDERED A TRANSITORY CONDITION.