What was found
FUNCTIONAL CHECK FLIGHT REQUIRED DUE TO ELEC BURN SMELL ON APPROACH. ACFT RELEASED FOR FCF PURPOSES ONLY. CHECK FOR PRESENCE OF ELEC ODOR. RAN PACKS OFF, BOTH APU & ENG BLEED AIR FOR 4 HOURS. TURNED ALL LIGHTING & AVIONICS SYSTEMS & PROBE HEATS. NO EVIDENCE OF ANY ELEC BURN SMELL IN COCKPIT, GALLEY, CABIN OR AVIONICS COMPARTMENT AREAS. ALSO TURNED ON ALL LIGHTS. NO ANOMALIES NOTED. SEE ITEM 2 BELOW FOR FCF. FCF FOUND SATISFACTORY.