As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IMMEDIATELY AFTER TAKEOFF FLIGHT CREW NOTED FLUID WHICH SMELLED LIKE FUEL COMING OUT FROM THE ENGINE COWLING AREA AND WAS ON WINDSCREEN. FLIGHT CREW IMMEDIATELY DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED ENGINE COMPARTMENT AND DISCOVERED FUEL FLOW DIVIDER PLUG WAS LEAKING. FURTHER INSPECTION REVEALED DEFECTIVE THREADS IN FLOW DIVIDER NOT ALLOWING PLUG TO REMAIN TORQUED. FUEL FLOW DIVIDER WAS SHIPPED BACK IAW FACTORY REQUEST ON 01/28/2016.