As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FLIGHT CONTROL PROBLEMS DURING CRUISE AT ALTITUDE. AIRCRAFT DECLARED AN EMERGENCY, WAS CLEARED TO LOWER ALTITUDE IN ATTEMPT TO THAW ANY POSSIBLE ICING OF CABLES, AND DIVERTED TO BUF. THE LANDING WAS NORMAL AND WITHOUT FURTHER INCIDENT. MAINTENANCE DID INSPECT THE AIRCRAFT UPON ARRIVAL BUT DID NOT FIND ANY EVIDENCE OF ICE PROBLEMS.