As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED CAPTAIN AND FIRST OFFICERS ALTIMETERS WERE 5000 FT APART AND AUTOTHROTTLES AND AUTOPILOT FAILED. EMERGENCY DECLARED FLIGHT RETURNED, LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 2 CENTRAL AIR DATA COMPUTER AND NUMBER 2 ALTIMETER. SYSTEM GROUND CHECK NORMAL OPERATION.