As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING SMELL IN BACK OF A-C. UNABLE TO DETECT ANY ELECTRICAL SMELL IN AFT GALLEY AS PER FLT ATTENDANT. CHECKED ALL AFT GALLEY C-B'S, NONE TRIPPED. CYCLED ALL GALLEY LIGHTS, ALL NORMAL. SUSPECT SMELL WAS PICKED UP THRU AIR COND FROM EXTERIOR THEN DISSIPATED.