As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING SMELL IN COCKPIT ON APPROACH. PAX ON BOARD. GENERAL WALK AROUND INSPECTION BEFORE TAXI SHOWED NO OBVIOUS DAMAGE. TAXIED A/C WHILE OPERATING SYSTEMS, NO BURN SMELL. RAN A/C TO FULL POWER, OPERATED BLEED AIR AND ELECTRICAL SYSTEMS-COULD NOT DUPLICATE.