As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 8663 ANC-FAI DISCREPANCY: STRONG ELECTRICAL BURNING SMELL ON DESCENT, NO VISIBLE SMOKE, NO WARNINGS. CREW RAN THE ELECTRICAL SMOKE CHECKLIST. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. CORRECTIVE ACTION: MAINTENANCE PERFORMED INSPECTION. VERIFIED NO VISUAL ELECTRICAL ARCS OR BURNS IN WIRE BUNDLES TO AVIONICS RACKS/COMPONENTS. PERFORMED ENGINE RUNS. NO DEFECTS OR SMELLS NOTED.