As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NOSE LANDING GEAR BEARING WORN EXCESSIVELY. THE THICKNESS OF THEBEARING SURFACE WAS 1.143MM (0.045IN). WHEN NEW THE THICKNESS IS1.57MM (0.0625IN). TO COMPENSATE FOR WEAR A BRONZE SPACER RING2.74MM (0.108IN) WAS FITTED BETWEEN THE WORN BEARING AND THEBARREL RESULTING IN MISALIGNMENT OF THE SHIMMY DAMPER AND BENDING OF THE ACTUATING ROD. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.