As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED DIGITAL FLIGHT GUIDANCE COMPUTERS FAILED, LOST ALL NAVIGATION AND AUTOPILOT AND AUTO THROTTLES DISCONNECTED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBERS ONE AND TWO DIGITAL FLIGHT GUIDANCE COMPUTER MODE CONTROL PANELS. SYSTEM GROUND CHECK NORMAL OPERATION.