As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE WAS CONSUMING OIL, IT APPEARED TO BE COMING FROM THE BREATHER. THE ACCESSORY GEARBOX WAS SPLIT TO REPLACE THE CARBON SEAL. EROSION PITTING WAS FOUND ON THE LEADING EDGE OF THE IMPELLER VANES. THE IMPELLER AND GEARSHAFT ASSEMBLY WERE CHANGED AS A UNIT. PART TC: 18,055.