What was found
(AUS) TAIL ROTOR SERVO PISTON SEALS LEAKING. LOSS OF NO1 HYDRAULICSYSTEM FLUID.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) TAIL ROTOR SERVO PISTON SEALS LEAKING. LOSS OF NO1 HYDRAULICSYSTEM FLUID.