As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY 5 MINUTES AFTER TAKEOFF, THE ENGINE FAILED AND AUTOROTATION WAS COMPLETED TO THE WATER. ENGINE WAS REMOVED DUE TO ENGINE SHUTDOWN. SUSPECT 3RD STAGE WHEEL FAILURE, 3RD STAGE WHEEL FOUND WITH ALL BLADES FRACTURED AT ROOT. TURBINE WAS SHIPPED TO MFG FOR FAILURE ANALYSIS.