As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRBORNE BETWEEN RDU AND MSP, THE AILERON TRIM CONTROL JAMMED. FLIGHT CONTINUED UNDER FULL CONTROL AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CONTROL CABLE PULLEYS IN THE RIGHT WHEEL WELL LOCKED UP WITH ICE. FOUND TORN SEAL AT AFT BOTTOM OF FORWARD EXIT WINDOW AND SLANT PANEL DRAIN VALVES WERE CLOGGED. CLEARED DRAIN VALVES, REMOVED ICE, AND REPLACED SEAL. AIRCRAFT RETURNED TO SERVICE.