As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH AFTER DISENGAGING THE AUTO PILOT/YAW DAMP AT 180KTS THE ACFT WOULD ONLY ROLL (5) DEGREES TO THE RT. BOTH THE CAPTAIN AND COPILOTS CONTROLS SEEMED JAMMED. ONCE ON THE GROUND WE ARE ABLE UNJAM THE CONTROLS WITH FULL MOVEMENT. REPLACED AILERON AFU.