As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACV - VERY STRONG SMELL OF SMOKE ON APPROACH. DID NOT HAVE HIGH DUCT TEMPS. SMELLED LIKE ELECTRICAL BUT NO VISIBLE SMOKE. MAINTENANCE GROUND RAN NR 1 AND NR 2 ENGINES. APPLIED ALL ELECTRICAL LOADS. NO DEFECTS NOTED. OPERATED NR 1 AND NR 2 BLEED SYSTEMS AND CABIN LIGHT SYSTEMS. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.