What was found
ON FLIGHT 3566 DURING CRUISE THE CREW REPORTED ENGINE 2 OIL QUANTITY DROPPED FROM 12 QUARTS TO 3 QUARTS FOLLOWED BY DROP OF OIL PRESSURE. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO LRD LANDING WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED NR 2 ENGINE AIR TURBINE STARTER MECHANICAL CARBON SEAL IAW RR MM CHAP 72-63-10. THE OPERATIONAL AND LEAK CHECK WERE GOOD. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED ATS IAW EMB140 AMM 80-10-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.