As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN'S ADI WENT BLANK INTERMITTENTLY WITH ATT FLAG, SIMULTANEOUSLY A/P FAILED WITH RED FAILURE CAPTIONS ON CAPTAIN'S FCP AND AUTOPILOT PANEL WITH ASSOCIATED AUTOPILOT FAIL FLAG ON MAP. DIVERTED TO OXR IN VMC CONDITIONS 2255 Z. REINITIALIZED NR 1 AHARS. CAPT'S ADI AND AUTOPILOT OPS CHECK GOOD AT THIS TIME.