What was found
AUTO PILOT WHEN ENGAGED CAUSED A/C TO PITCH UP EXCESSIVELY ON ITS OWN AND OSCILLATE. (FLT 6379) REPLACED AUTOPILOT AILERON SERVO, FCC NR 2 CARD IN IAPS DUE TO PERSISTANT FAULT CODES. FAULTS CLEARED. BOTH AILERON AND ELEVATOR SERVO SPIN TESTS PASS. OPS CHECK OF AFCS FOR BOTH SYSTEMS GOOD AT THIS TIME. P/N 622-4404-101 S/N ON 56RJ S/N OFF D0LK; P/N 622-9815-904 S/N ON 02GY S/N OFF 393 P/N ON/OFF 622-4404-101 S/N ON 56RJ S/N OFF DOLK / P/N ON/OFF 622-9815-904 S/N ON 02GY S/N OFF 393.