As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RECEIVING A NR 2 ADC FAIL AND AUTOPILOT FAIL MESSAGE IN FLIGHT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ADC AND PERFORMED A OPERATIONAL CHECK OF THE ADC AND THE AUTOPILOT SYSTEM IAW THE AMM PROCEDURES. BOTH SYSTEMS OPS CHECKED GOOD.