What was found
(AUS) TAIL ROTOR GEARBOX FAULTY. GEARBOX OIL BLACK. EVIDENCE OF GEAR SLIPPAGE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) TAIL ROTOR GEARBOX FAULTY. GEARBOX OIL BLACK. EVIDENCE OF GEAR SLIPPAGE.