As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROLL-OUT FOR TAKEOFF, A LOUD BANG WAS HEARD. THEN THERE WAS A LOSS OF POWER. UPON INSPECTION OF LEFT NR 1 ENGINE, IT WAS FOUND TO HAVE A 8 INCH BY 6 INCH CRACK AT THE WELD LINES OF THE OUTER COMBUSTION CASE. AWAITING ENGINE TEAR-DOWN REPORT. (X)