What was found
AUTOFLIGHT: EICAS MESSAGE AUTOPILOT ON THE LEFT, CENTER AND RIGHT. UNNABLE ETOPS DUE TO AUTOPILOT FAILURE. QUICK RETURN FLIGHT TO DEPARTURE STATION (MAD)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AUTOFLIGHT: EICAS MESSAGE AUTOPILOT ON THE LEFT, CENTER AND RIGHT. UNNABLE ETOPS DUE TO AUTOPILOT FAILURE. QUICK RETURN FLIGHT TO DEPARTURE STATION (MAD)