As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ENGINE ACCESSORY GEARBOX 2.5 BEARING INCORRECTLY POSITIONED DUE TO THE INCORRECT FITMENT OF THE HELICAL GEAR. THE GEAR HAD BEEN INSTALLED IN THE REVERSE POSITION. THE GEARBOX HAD JUST BEEN RECEIVED FROM THE OVERHAUL FACILITY FOLLOWING REPAIRS AND WAS BEING INSPECTED PRIOR TO FITMENT.