As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DIVERTED TO MCI DUE TO RIGHT ENGINE OIL LOSS. AN IN-FLIGHT SHUT DOWN OCCURRED. THE CARBON SEAL RETAINER SPUN AND DISENGAGED THE CARBON SEAL ELEMENT FROM THE SEAL FACE. THE SEAL LOSS RESULTED IN ENGINE OIL BEING DISCHARGED OUT OF THE BREATHER DUCT. THE MAIN GEARBOX ASSEMBLY WAS REPLACED. OPERATIONS CHECK NORMAL.