As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE STAB TRIM FAILED IN FLIGHT. THE CREW FOLLOWED THE QRH AND MADE AN UNEVENTFUL LANDING. MAINTENANCE REMOVED & REPLACED THE HORIZONTAL STAB TRIM CONTROL UNIT IAW CRJ200 AMM 24-41-01-000(400)-801. THE STAB TRIM OPERATIONALLY CHECKED GOOD. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.