As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO MSP, CLEARED FOR VISUAL APPROACH THE AUTO-PILOT WAS DISCONNECTED. UPON ATTEMPTING TO TURN IT WAS DISCOVERED THAT BOTH AILERON CONTROLS WHERE JAMMED. FOLLOWED QRH FOR JAMMED AILERON. ROLL DISCONNECT PULLED AND CLEARED JAM ON PILOTS CONTROL. DECLARED EMERGENCY WITH UNEVENTFUL LANDING. MAINT INVESTIGATED FOUND AILERON AUTO PILOT SERVO ACTUATOR LOCKED UP.