As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING ODOR DETECTED AT THE L3 DOOR. ON ARRIVAL, ODOR DISSIPATED, OPERATED ALL FANS AND INSPECTED AREA FOR LIGHTS, ALL OK. RAN ENGINES WITH NO ODOR. MORE DETAILED INSPECTION, CHANGED L3 DOOR EMERGENCY LIGHT BATTERY AND POWER PACK