What was found
SAL-MIA - FLT TA314 - DURING CRUISE, THE AIRCRAFT HAD PITCH OSCILLATIONS WITH AUTOPILOT ENGATED, DUE THIS SITUATION THE AIRCRAFT RETURNED TO SAL AIRPORT. AFTER UNEVENTFUL LANDING MAINTENANCE TECHNICIANS PERFORMED COMPLETE INSPECTION OF THE ELEVATOR SYSTEM AND WAS FOUND NORMAL. REMOVED AND REPLACED AUTOPILOT ACCESSORY UNIT AND PITCH CONTROL CHANNEL AS PER AM 22-12-01. OPERATIONAL TEST WITH NORMAL RESULTS. FLIGHT TEST WAS PERFORMED WITH NORMAL RESULTS. THE AIRCRAFT RETURNED TO NORMAL OPERATION. (M)