What was found
AIRCRAFT WOULD DROOP RPM WHEN THE COLLECTIVE WAS LIFTED. REPLACEMENT OF THE FUEL NOZZLE CORRECTED THE PROBLEM. FCU WAS CHANGED AS PRECAUTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WOULD DROOP RPM WHEN THE COLLECTIVE WAS LIFTED. REPLACEMENT OF THE FUEL NOZZLE CORRECTED THE PROBLEM. FCU WAS CHANGED AS PRECAUTION.