As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SMOKE SMELL IN CABIN AND COCKPIT ON FINAL INTO OKC. AN EMERGENCY WAS NOT DECLARED, AND THE A/C LANDED WITHOUT INCIDENT INTO OKC. MAINTENANCE REMOVED AND REPLACED LT ACM AND LT HEAT EXCHANGER PER EMB AMM. A/C WAS THEN RETURNED TO SERVICE.