As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FAIRLY RAPID DECREASE NUMBER 1 ENGINE OIL QUANTITY IN CRUISE FLIGHT LEVEL 360. REDUCED THRUST ON NUMBER 1 WHEN OIL QUANTITY REACHED 4QTS AND DIVERTED TO KMIA. PERFORMED A PRECAUTIONARY SHUTDOWN ENGINE ONE WHEN OIL QUANTITY REACHED 3QTS. EMERGENCY DECLARED AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED TGB SEALS IAW ESM 72-00-62.