As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED MULTIPLE EICAS ELECTRICAL FAILURE MESSAGES. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND ELMS PANEL P110 FAULTED. RELACED ELMS POWER SUPPLY AND LEFT CHANNEL ARINC CARD. SYSTEM GROUND CHECK NORMAL OPERATION.