As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMOUT IN HDG MODE AP ENGAGEMENT CAUSED A VIOLENT TURN TO THE RIGHT. DISCONECTED AP AND TRIED CMD A AGAIN WITH SAME RESULT. WE TRIED CMD B WITH SAME RESULT. DISCONECTED AP AND DID NOT ATTEMPT AGAIN. FOUND AILERON SENSOR INTALLED 180 OUT. TRANSFERD AND ACCOMPLISHED WORK ON AAR N/R.