As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED CAM INSPECTION, FOUND AIR SEAL CRACKED AT FLANGE. CRACKING RESULTED IN DEFLECTION OF SEALING SURFACE OF .040 INCH CAUSING LOSS OF COOLING AIR FOR TURBINE SECTION. THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE-LIMIT IS 20,000 CYCLES. SUBMITTER SUGGESTS THIS IS THE 28TH MALFUNCTION/DEFECT REPORT SUBMITTED BY THIS FACILITY ON THIS DISCREPANCY. PART TOTAL CYCLES, 8,461.