As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1478 - AFTER TAKEOFF DFW, FLIGHT ATTENDANT NOTED A STRONG ELECRICAL SMELL IN CABIN. AIRCRAFT RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED ALL COALESCER BAGS AND BURNED PACKS OFF AFTER CHANGE. AIRCRAFT FLEW ON FUNCTIONAL CHECK FLIGHT AND NO ODOR WAS NOTED. SYSTEMS CHECKED NORMAL OPERATION AND AIRCRAFT RELEASED INTO SERVICE. (X)