As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT DEPARTED SMITHERS, THE LT GENERATOR KICKED OFF LINE FOLLOWED BY A FAINT ELECTRICAL ODOR. THEY RETURNED TO THE SMITHERS AIRPORT AND DEPLANED PASSENGERS. MAINTENANCE FOUND LT GENERATOR CONTROL UNIT TO BE EMITTING ODOR. IT WAS REPLACED ALONG WITH THE LT GENERATOR. THE SYSTEM TESTED NORMALLY AND THE AIRCRAFT DEPARTED WITH NO FURTHER INCIDENTS.