As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL FOR LANDING, PASSENGERS IN THE FORWARD PORTION OF THE CABIN REPORTED A "BURNING SMELL." FLIGHT ATTENDANT WENT INTO THE CABIN AND ALSO SMELLED SOMETHING. SHE TURNED OFF THE CABIN LIGHTS AND THE SMELL DISSIPATED. NO SMOKE WAS OBSERVED. R&R RECIRCULATION FAN PER AMM.