As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHORTLY AFTER DEPARTURE, THE CREW ADVISED THEY WERE RETURNING TO THE AIRPORT DUE TO AN ODOR INSIDE THE ACFT. LANDED SAFELY. NO OPS IMPACT. MAINTENANCE REPORTED THAT THE FWD CABIN AIR BLOWER MOTOR WAS THE SOURCE OF THE ODOR. THE BLOWER MOTOR WAS REPLACED AND TESTED SERVICEABLE.