As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT - 9161 - DURNG TAKEOFF, LOUD BANG OCCURRED ON LEFT ENGINE. ABORTED TAKEOFF. SEPARATED POWER SECTION FROM GAS GENERATOR AND DETERMINED THAT FOUR POWER TURBINE BLADES WERE BROKE OFF AT THE BLADE ROOT. POWER SECTION HAS MAJOR INTERNAL DAMAGE. REPLACED LEFT POWER SECTION MODUEL AND ROUTED FAILED UNIT FOR FURTHER ANALYSIS AND REPAIR. SUSPECT NR 2 PT BLADE FAILURE. (M)