As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON SEPTEMBER 25, 2015 A CFM56 ENGINE WAS REMOVED FROM SERVICE DUE TO HPT DISK CYCLE LIMIT. AFTER INDUCTION INTO THE ENGINE SHOP THE ENGINE WAS DISASSEMBLED AS REQUIRED BY THE WORK SCOPE. DURING ROUTINE NDT INSPECTION THE HPC 1.-2. STAGE SPOOL WAS FOUND WITH 5 EA CRACKED DOVETAIL SLOTS AT THE PRESSURE SURFACE. ACCORDING TO THE ENGINE MM THE CRACKS ARE NOT REPAIRABLE AND THE PART WILL BE SCRAPPED.