As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKEOFF ROLL THE LEFT HAND ENGINE BEGAN TO LOOSE POWER. THE PILOT WAS INFORMED BY THE TOWER THAT BLACK SMOKE WAS COMING FROM THE LEFT HAND ENGINE. THE TAKEOFF WAS ABORTED AND THE LEFT HAND ENGINE WAS SHUTDOWN. POST FLIGHT INVESTIGATION FOUND OIL INSIDE THE TURBOCHARGER AND THE TURBINE WHEEL HAD APPROXIMATELY 1/4" OF MOVEMENT. A BEARING ON THE TURBINE SHAFT WAS FOUND WORN. THE TURBOCHARGER WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.