What was found
A FUEL DISCHARGE TUBE ASSY FROM THE FUEL MANIFOLD VALVE TO THE NR 2 CYLINDER FUEL INJECTOR NOZZLE WAS FOUND BROKEN AT THE BALL END FITTING INSIDE OF THE BRASS RETAINING NUT ON THE FUEL MANIFOLD END. SUBMITTER STATED NO OBVIOUS CAUSE OF FAILURE, HOWEVER, AGE FATIGUE, AND/OR VIBRATION MAY BE FACTORS.