As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPOACHING THE BEGINNING OF THE HITHR 2 RNAV, ARRIVAL AT 340 LIGHT SMOKE AND AN ELECRICAL BURNING ODOR WAS IMMEDIATELY NOTICED IN THE COCKPIT. THE SOURCE SEEMED TO ORIGINATE ON THE CAPTAIN`S SIDE AROUND THE CONTROL COLUMN. THE SMOKE AND ODOR SEEMED TO DISSAPATE ABOUT 5-10 MINUTES. REPLACED BOTH CAPTAIN'S FOOT HEATERS IAW AMM 21-45-01-4 AND REPLACED SHOULDER HEATER IAW AMM 21-45-02-4.