What was found
ENROUTE TO PICK UP PATIENT, HEARD POPPING NOISE FROM THE NR 1 ENGINE SIDE. RETURNED TO BASE AND CREW WENT BY FIXED WING. REPLACED ACTUATOR. BENCH CHECK REVEALS AT 60 PSI WITH ACTUATOR HOT EXHIBITS VERY RATCHETY OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENROUTE TO PICK UP PATIENT, HEARD POPPING NOISE FROM THE NR 1 ENGINE SIDE. RETURNED TO BASE AND CREW WENT BY FIXED WING. REPLACED ACTUATOR. BENCH CHECK REVEALS AT 60 PSI WITH ACTUATOR HOT EXHIBITS VERY RATCHETY OPERATION.