As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. DFW-PVG FLIGHT RETURNED TO DFW ACCOUNT FUEL PUMP RIGHT AFT EICAS MESSAGE. OVERWEIGHT LANDING UNEVENTFUL. REMOVED AND REPLACED THE REMOTE DATA CONCENTRATOR M4240010 PER AMM 42-21-07. OPERATIONAL CHECK GOOD.