As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - UPON DESCENT INTO DEN, FLIGHT CREW REPORTED THEY WERE UNABLE TO MOVE THE ELEVATOR WITH THE CONTROL WHEEL WHILE THE AUTO PILOT WAS ENGAGED. THE AUTO PILOT WAS DISENGAGED, NORMAL CONTROL WAS RESUMED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE PITCH CONTROL CHANNEL AND CHECKED OK. (W)