As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON PARKING AT GATE A FAIRLY STRONG ELEC BURNING SMELL WAS NOTED BY CAPT, F/O, AND F/A. INSPECTED INTERNAL SIDE OF EXTERNAL POWER RECEPTACLE IAW AMM CH 24-41-11. FOUND NO TRACES OF ELECTRICAL DAMAGE OR BURN MARKS. ALSO PERFORMED SMOKE IN FLIGHT DECK CONDITIONAL INSPECTION PER AMM CH 05-51-26. NO DEFECTS NOTED AT THIS TIME. A/C OK TO CONTINUE.