As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID ELECTRICAL SMELL IN COCKPIT. NOT NOTED IN CABIN AND NO VISIBLE SMOKE. ELECTICAL SMELL IN FLIGHT DECK COULD ONLY BE SIMULATED WHEN TURNING ON WINDOW HEAT. REPLACED WINDOW HEAT SWITCH MODULE 69-37346-310 (MR30009). UNIT MR30009-9 WAS SENT TO SHOP 147. LEAD DANNY KEUNG HAD UNIT CHECKED BUT FOUND NOTHING WRONG WITH IT.