As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A SMOKE ODOR IN COCKPIT. THE ACFT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. MX DETERMINED ODOR TO BE COMING FROM 1 ENGINE 14TH STAGE Y DUCT THAT WAS R & R ON 07-21-12 REF. PURGED BLEED AIR DUCTS IAW EMB 145 MM 21-20-00-100-805A. NO FURTHER SMELL NOTED. THE ACFT WAS RELEASED FOR SERVICE.