What was found
(CAN) DURING SCHEDULED INSPECTION, ENGINE FAILED TO START ON LT IGNITION SYS IAW TEST CRITERIA. IGNITER REMOVED AND FOUND ERODED, AND A SMALL ROUND PART FROM INSIDE THE IGNITER HAD MIGRATED TO THE TIP OF THE IGNITER AND BECOME STUCK AT THE END OF THE BODY. APPEARS TO BE A VERY HARD PIECE OF METAL THAT HAD IT BECOME DISLODGED FROM THE TIP OF THE IGNITER, IT POSSIBLY WOULD HAVE CAUSED SIGNIFICANT FOREIGN OBJECT DAMAGE TO THE TURBINE BLADES.