As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - FLT 1723 - EN ROUTE MCI-DFW, DETECTED STRONG ELECTRICAL BURNING SMELL AT ROW 27. ACCOMPLISHED FIRE/SMOKE PROCEDURE. RETURNED MCI AND LANDED WITHOUT INCIDENT. PERFORMED OPERATIONAL CHECKS OF AFT GALLEY AND FIXTURES. INSPECTED ALL CEILING LIGHTING AND BALLAST. RAN BOTH PACKS, ENGINES, AND AIRFOIL HEAT. NO SMELL OR SMOKE NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION (M)