As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ESN 892808 WAS IN A SHOP FOR A SCHEDULED MAINTENANCE EVENT. UPON FLOURESCENT PENETRANT INSPECTION OF THE HPT ROTOR BLADES, IT WAS DISCOVERED THAT QTY 15 BLADES EXHIBITED CRACKING AT THE MINIMUM NECK POINT ON THE CONVEX SIDE OF THE FIRTREE.