What was found
FAILED AP TEST DURING RUN-UP. DURING T/F EVAL WITH ALL AVIONICS POWERED ON, ACTUATOR MESSAGE ON CAD WITH YAW DISPLAYED ON PFD AND AP1 AND AP2 BOTH TURNED ON. WHEN CONDUCTING AP TEST, HAD AP1, AP2, YAW SAS, ACTUATOR AND BACKUP SAS DISPLAYED ON CAD WITH YAW DISPLAYED ON PFD. AIRCRAFT WOULD NOT PASS THE AP TEST.