What was found
(CAN) ENGINE DECELERATED ON TAKEOFF FOR TEST FLIGHT AFTER ENGINE CHANGE. CAUSE WAS DETERMINED TO BE LOOSE B-NUT ON GOVERNOR TO FUEL CONTROL UNIT AIR LINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ENGINE DECELERATED ON TAKEOFF FOR TEST FLIGHT AFTER ENGINE CHANGE. CAUSE WAS DETERMINED TO BE LOOSE B-NUT ON GOVERNOR TO FUEL CONTROL UNIT AIR LINE.