As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWER TURBINE NOZZLE GUIDE VANE SEAL HAS BECOME FREE TO ROTATE BETWEEN THE REAR BEARING SUPPORT AND THE POWER TURBINE NOZZLE GUIDE VANE ASSEMBLY. CUTTING THRU THE POWER TURBINE NOZZLE GUIDE VANE AND INTO THE REAR BEARING OIL RETURN DUCT AND CAUSING AN OIL LEAK.