As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) MAINTENANCE INVESTIGATION INTO A SMELL IN THE CABIN REVEALED A VERY NOISY AVIONICS COOLING FAN WHICH WAS EMITTING AN ELECTRICAL ODOR. THE FAN WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE. THE SUBJECT FAN WAS AN EXCHANGE UNIT WHICH HAD ONLY BEEN INSTALLED 574 HOURS AND 375 CYCLES PREVIOUS.