As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING SCHEDULED ENGINE INSPECTION A TRANSVERSE CRACK WAS FOUND IN THE INSULATOR MATERIAL AT THE TIP OF THE IGNITER. PART TSN=UKN, S/N 09036049. PART WAS REPLACED WITH NEW. THIS TYPE OF DEFECT HAS RESULTED IN INSULATOR MATERIAL SEPARATION AND SUBSEQUENT GAS TURBINE DAMAGE IN THE PAST.