As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, THE RT PACK BEGAN TO ODOR OF SMOKE. PILOTS TURNED OFF THE PACK AND NO FURTHER PROBLEMS WERE NOTED. THEY REPORTED THEY WERE AT FLIGHT LEVEL 250. MX TROUBLESHOT THE SYS AND FOUND THE DUCTING FROM NACA VENT TO BE LOOSE CAUSING INSUFFICIENT AIRFLOW TO THE RT PACK. MX REMOVED AND REPLACED THE CLAMP AND OPS CHECKS WERE GOOD IAW EMB-120 21-00-00.