As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF JUST AFTER BRAKE RELEASE, AN EXPLOSION WAS HEARD IN THE LT ENGINE. ABORTED TAKEOFF. REMOVED LEFT ENGINE. DETERMINED POWER SECTION HAS MAJOR INTERNAL DAMAGE. REPLACED LEFT ENGINE. ROUTED FAILED ENGINE FOR FURTHER ANALYSIS AND REPAIR. VENDOR DETERMINED TO BE 2ND STAGE POWER TURBINE BLADE FAILURE WITH SUBSTANTIAL DAMAGE TO HOT SECTION.