As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH AUTOPILOT SELECTED TO EITHER SIDE AND AUTOPILOT ENGAGED, RECEIVED AN AURAL TRIM FAIL WITH ASSOCIATED MAP LIGHT ON AP PANEL, RED AP & E LIGHTS ILLUMINATED. REPLACED APP-65 WITH SERVICEABLE UNIT. OPS CHECK GOOD. RERACKED APC65. BOTH SIDES TESTED. OPS CHECK GOOD.