As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH TO PHOENIX, EXPERIENCED A STRONG ELECTRICAL SMELL. THERE WERE NO INDICATIONS OF A FAILURE. ODOR LOCALIZED IN THE COCKPIT. CHECKED EQUIPMENT BAYS FOR EVIDENCE OF BURNT WIRING AND ODOR. NO DISCREPANCIES NOTED. COULD NOT DUPLICATE ELECTRICAL SMELL.