What was found
CUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT COVER O-RING P/N: A215-156 WAS LEAKING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT COVER O-RING P/N: A215-156 WAS LEAKING.