What was found
ON FLIGHT 9807 THE CREW REPORTED THAT RIGHT BEFORE TOUCHDOWN RECEIVED A LOW OIL PRESSURE WARNING MESSAGE. OIL QUANTITY IN NR 2 ENGINE DROPPED TO 3 QTS, ENGINE 2 OIL PRESSURE DROPPED TO RED RANGE, RED EICAS ALERT. THE CAPTAIN SHUT DOWN ENGINE NR 2 DOWN IMMEDIATELY UPON SLOWING TO TAXI SPEED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE GEAR BOX BREATHER CARBON SEAL IAW RRMM 72-63-10-000-802. THE LEAK AND OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.