As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) VACUUM PUMP LOOSE ON MOUNT. WHEN THE PUMP WAS REMOVED THE DRIVESHAFT WAS FOUND TO BE MISALIGNED CAUSING DAMAGE TO THE CAMSHAFT DRIVE GEAR. METAL CONTAMINATION OF THE ENGINE OIL SYSTEM. ENGINE WAS RECEIVED FROM THE GROB FACTORY WITH THE PUMP ALREADY FITTED.