What was found
ON TAKEOFF ROLL, A LOUD THUD WAS HEARD AND AIRCRAFT PULLED SLIGHTLY TO THE LEFT. TAKEOFF WAS ABORTED. ENGINE PARAMETERS WERE NORMAL. UPON INSPECTION FOUND NR 1 ENGINE NOSE BULLET MOUNTING STUDS HAD PULLED FROM N1 TACH GEARBOX AND BULLET BECAME DISLODGED IN THE INLET OF ENGINE. NO DAMAGE WAS FOUND OTHER THAN TO THE BULLET ITSELF. ALL PARTS WERE ACCOUNTED FOR AND NO FURTHER DAMAGE TO THE ENGINE WAS FOUND DURING INSPECTION. N1 TACH GEARBOX AND NOSE BULLET IN NUMBER 1 ENGINE WERE REPLACED. ENGINE POWER RUN WAS ACCOMPLISHED PER PFHB AND AIRCRAFT WAS RETURNED TO SERVICE.