What was found
LEFT ENGINE FLAME OUT (SHUT DOWN) OCCURRED WHILE DESCENDING THROUGH APPROXIMATELY 10,000 FEET. THE QUICK REFERENCE HANDBOOK’S ENGINE FAILURE AND ENGINE IN FLIGHT START CHECK LIST WAS COMPLETED. THE ENGINE RESTART WAS SUCCESSFUL. THE AIRPLANE WAS REMOVED FROM SERVICE (GROUNDED) AND A BOLT WAS FOUND MISSING AT THE AFT SIDE OF THE LEFT ENGINE’S SERVO FUEL HEATER, CAUSING A FUEL LEAK. THE SERVO FUEL HEATER’S GASKET SEAL WAS REPLACED AND THE MISSING BOLT WAS INSTALLED. THE CAUSE FOR THE IN-FLIGHT SHUT DOWN WAS A MISSING BOLT IN THE SERVO FUEL HEATER.