As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD - INFLIGHT JFK-PAP. CREW REPORTED FLIGHT DIRECTOR FAILED, FOLLOWED BY FAILURE OF AUTO THROTTLES AND VERTICAL NAVIGATION. EMERGENCY DECLARED FLIGHT DIVERTED IAD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED MODE CONTROL PANEL. SYSTEM GROUND CHECK NORMAL OPERATION.