As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NOSE LANDING GEAR OLEO UPPER BEARING PNO 1243021-1 AND RETAINER PNO 841200-19 SEPARATED - INVESTIGATION FOUND THAT THE BEARING HAD BEEN INSTALLED UPSIDE DOWN PREVENTING CORRECT SEATING OF THE RETAINER - PERSONNEL/MAINTENANCE ERROR