As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW OIL QUANTITY INDICATIONS AND HIGHER THAN NORMAL TEMPERATURE AT CRUISE RESULTANT FROM FRAGMENTS OF A DISBONDED INLET GEARBOX GEARSHAFT TEFLON (PTFE) SEAL DISCOVERED WHICH HAD MIGRATED INTO THE TGB SCAVENGE LINE AND INLET SCREEN. ENGINE MANUFACTURER HAS PRIOR KNOWLEDGE OF SEAL FAILURE.