As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED LOUD BANG AND ENGINE POWER LOSS DURING CLIMB. FLIGHT CREW SECURED ENGINE AND LANDED SAFELY. MX FOUND ENGINE WOULD NOT TURN. PRELIM BORESCOPE INSPECTION FOUND FAILURE OF SEVERAL SECOND STAGE TURBINE BLADES. NO SIGNIFICANT DAMAGE TO UPSTREAM COMPONENTS WAS NOTED DURING THE BORESCOPE INSPECTION LEADING MX TO CONCLUDE THAT THE ROOT CAUSE OF THE FAILURE LIES IN THE FAILURE OF ONE OR MORE SECOND STAGE TURBINE BLADES.