As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3831 - RETURN TO FIELD WITH EICAS MESSAGE `ELECTRICAL EMERGENCY ABNORMAL.` AIRCRAFT STAYED ALOFT TO BURN FUEL. LANDED WITHOUT INCIDENT AND UNDER WEIGHT. REPLACED BATTERY CONTACTOR K0015. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)