As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CMH-PIT - FLT 2004 - DURING FLIGHT, AN ELECTRIC ODOR WAS NOTICED THROUGHOUT AIRCRAFT. THE ODOR THEN DISSIPATED AFTER TEN MINUTES. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RELAY K0933A. AIRCRAFT AND EQUIPMENT COOLING FAN OPS CHECKED OK. (M)