As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2909 THE CREW REPORTED THE NR 2 ENGINE OIL QUANTITY WENT FROM 9 QUARTS TO A LOW OF 3 QUARTS. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. UPON SHUT DOWN THE AIRCRAFT SHOWED 5 QUARTS. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT ENGINE OIL TANK PRESSURE RELIEF VALVE IAW RRMM 79-27-40. NO FURTHER LEAKS NOTED AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.