As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHORT APPROACH TO DEN AT 300 FT AGL, ON AUTO PILOT DISCONNECT THE ELEVATOR FROZE. AFTER PULLING HARD ON THE YOKE, CONTROL WAS RESTORED. REMOVED AND REPLACED ELEVATOR SERVO IAW 22-11-24-00. OPERATIONAL TEST GOOD OF ELEVATOR SERVO PER AMM 22-11-24-710-801.