As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - INFLIGHT LAX-LHR. CREW REPORTED NUMEROUS EICAS MESSAGES FLASHING. PRIMARY MESSAGE IS ELMS P110 PANEL. EMERGENCY DECLARED FLIGHT DIVERTED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED B24107 629 COUPLER AND CPU CARD A M24400A2. SYSTEM GROUND CHECK NORMAL OPERATION.