As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON MAJOR REPAIR OF TURBINE, FOUND WEB OF OUTER BAND SEEMS TO HAVE BEEN MACHINED BELOW SPECS AND REPLATED. THIS CAUSED A WEAK SPOT IN FLANGE OF NOZZLE THAT CRACKED AND WENT INTO BOTH BLADE TIP PATHS. NOZZLE IS TO BE SCRAPPED. ASSURE THAT PARENT METAL IS MACHINED BELOW SPECS.