As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RT ENGINE FAILED. ENGINE OIL SYSTEM HEAVILY CONTAMINATED WITH METAL. INVESTIGATION FOUND FAILURE OF THE SUN/BULL GEAR.APPROXIMATELY 12 PERCENT OF THE BULL GEAR RIM HAD SEPARATED. DISASSEMBLY OF THE BULL GEAR FROM THE SUN GEAR REVEALED SEVERE FRETTING BETWEEN THE SUN GEAR REAR RACE FACE TO BULL GEAR INNER FORWARDINNER RACE FACE AND IN THE SUN GEAR TO BULL GEAR SPLINES.