As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - THE CREW ELECTED AN AIR TURNBACK WHEN THE LEFT ENGINE LOST POWER IN FLIGHT AND TORQUE DROPPED TO 1000 AT FULL POWER. MAINTENANCE FOUND SEVERAL FUEL NOZZLE GASKETS (MS937116) LEAKING. ALL FUEL NOZZLES AND GASKETS WERE CHANGED AND LEAKED CHECKED GOOD. A POWER RUN WAS SATISFACTORY.