As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING ODOR IN FLIGHT DECK. FOUND FAILED FORWARD EQUIPMENT COOLING EXHAUST FAN. REPLACED EQUIPMENT COOLING EXHAUST FAN. FOUND FAN IMPELLER ROUGH TO ROTATE. ALSO, A SMALL RADIAL PLAY OF THE IMPELLER WAS ALSO NOTICED WHILE HOLDING THE FAIRING.