As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF CLIMBING THROUGH 12K THE NUMBER 1 ENGINE ROLLED BACK SMOOTHLY AND FLAMED OUT. THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO DTW LANDING WITHOUT INCIDENT. ENGINE NR 1 INLET AND EXHAUST WERE INSPECTED WITH NO DAMAGE FOUND. MAINTENANCE FOUND A FUEL LEAK AT THE P&D VALVE TO FUEL OIL COOLER TUBE AT THE P&D VALVE REDUCER. MAINTENANCE REPLACED THE P&D VALVE AND SEALS.