As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) POWER TRANSFER UNIT HYDRAULIC PUMP FAILED. ON STRIP-DOWN OF THE PUMP, FOUND THE CYLINDER BARREL INNER RACE BEARING P/N 40963 WAS BROKEN CAUSING DAMAGE TO THE BEARING ROLLERS. BRONZE METAL CONTAMINATION OF THE YELLOW HYDRAULIC SYSTEM FILTER.