As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT FUMES NOTICED DURING FLIGHT. MAINTENANCE FOUND THE AIR OIL SEPERATOR GARLOCK SEAL ON THE APU ACCESSORY DRIVE GEARBOX LEAKING AND REPLACED IT. A SATISFACTORY LEAK AND OPERATIONAL CHECK WAS ACCOMPLISHED.** (CLOSED)