What was found
(AUS) MAIN ROTOR TRANSMISSION METAL CONTAMINATION. SUSPECT CAUSED BY FATIGUE SPALLING OF PINION AND RING GEARS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) MAIN ROTOR TRANSMISSION METAL CONTAMINATION. SUSPECT CAUSED BY FATIGUE SPALLING OF PINION AND RING GEARS.