As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3467, CREW REPORTED PARTICULAR ODOR NOTED IN COCKPIT AND CABIN AFTER TAKEOFF, SUSPECT PACK 1. ODOR DISSIPATED RAPIDLY AFTER TAKEOFF. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NUMBER ONE ENGINE IAW AMERICAN EAGLE WORK CARD 71-000-00. REMOVED AND REPLACED THE NUMBER 4 CARBON SEAL. THE NUMBER 4 CARBON SEAL WAS IDENTIFIED AS THE MAJOR CONTRIBUTING FACTOR OF THE OIL LEAK. THE OPERATIONAL CHECK WAS GOOD. AIRCRAFT RETURNED TO SERVICE.