As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE TO PIA CREW GOT 'LAV SMOKE' ON EICAS. SOME SMOKE NOTED IN GALLEY. NO OTHER SMOKE NOTED. REMOVED AND REPLACED ENGINE 2 ZERO-CARBON SEAL IAW RRMM 72-25-25-000-801 AND 72-25-25-400-801-A. NO FURTHER OIL LEAK NOTED. AIRCRAFT RETURNED TO SERVICE.