As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL QUANTITY ON THE NR 2 ENGINE HAD DROPPED FROM 11 QUARTS TO 5 QUARTS. FLIGHT HAD REMAINED OVERNIGHT DUE TO HIGH OIL CONSUMPTION THE PREVIOUS DAY. AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. LT ENGINE OIL DECREASED FROM 16 QUARTS TO 11 QUARTS IN FIRST HOUR OF FLIGHT. OIL CONTINUED TO DECREASE TO 9 QUARTS. REPLACED LEFT INTEGRATED DRIVE GENERATOR AND REPLACED ACCESSORY GEARBOX SEAL. OPS NORMAL IAW AMM 72-64-01, AND AMM 24-11-01.