As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW CREW REPORTED ELECTRICAL SMELL IN THE CABIN & SEVERAL CIRCUIT BREAKERS POPPED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NR 1 DFGC. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.