As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE GOVERNOR WAS LAGGING BEHIND. THE ENGINEER CARRIED OUT SOME ADJUSTMENTS BUT THE ADJUSTMENTS DID NOT HELP. A P3 AIR LEAK CHECK WAS CARRIED OUT AND THE ENGINEER DISCOVERED AIR LEAKING NEAR THE P3 AIR FILTER. FURTHER INVESTIGATION REVEALED THE LINE WAS BROKEN THAT WENT FROM THE P3 AIR FILTER TO A FI TTING AND FROM THE FITTING ENDING UP AT THE FUEL CONTROL.