What was found
(CAN)ENGINE FLAMED OUT ON APPROACH AT 8,000 FEET ALTITUDE. OAT 20 DEGREES. ENGINE WAS RUNNING NORMAL PRIOR TO LANDING. PILOT PULLED ON COLLECTIVE TO CHECK HIS DESCENT WHEN THE LIGHTS AND HORN CAME ON AND E NGINE FLAMED OUT. FUEL INSPECTED FOR ICE AND WATER, BUT NONE FOUND. ENGINE INTAKE INSPECTED FOR ICE, SNOW, OR FOD, BUT NONE FOUND. ENGINE WAS GROUND RUN FOR 20 MINUTES BUT THERE WAS NO HESITATION. HELICOPTER FLOWN BACK TO BASE AND FUEL CONTROL REMOVED FOR TESTING.