What was found
IN CRUISE FLIGHT, THE POWER TURBINE ROTOR DROOPED TO 90 PERCENT AND WOULD NOT RECOVER. THE PILOT LOWERED COLLECTIVE, RECOVERED ROTOR SPEED AND DID A POWER ON RECOVERY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN CRUISE FLIGHT, THE POWER TURBINE ROTOR DROOPED TO 90 PERCENT AND WOULD NOT RECOVER. THE PILOT LOWERED COLLECTIVE, RECOVERED ROTOR SPEED AND DID A POWER ON RECOVERY.