As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE TAIL ROTOR ACTUATOR WAS FOUND SEEPING. THIS ACTUATOR WAS IN SERVICE FOR 146 HOURS, ABOUT THE AVERAGE TIME FOR REPLACEMENT EXPERIENCED AT THIS FACILITY WITH THIS ACFT. THE LEAKAGE RATE EXCEEDS THE LIMITS SPECIFIED IN THE MBB BK117C-2 AMM IAW CH 67-34-00, 6-1 F 3 C & F LEAKAGE RATES & CH 29-00-00, 5-1 TABLE 1.