As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN OCCURRENCE WAS REPORTED THAT HAPPENED AT RALEIGH AIRPORT (RDU), ON THE 05/09/2023 AT 1715 EDT. THE SAID AIRCRAFT, N382BW HAD JUST GOTTEN AIRBORNE AND RECEIVED AN ADVISORY FROM ATC THAT SMOKE WAS STREAMING FROM THE LEFT ENGINE. AIRSPEED WAS AT 97 KNOTS AND THE PILOT EXECUTED AN ABORT TAKEOFF AND IMMEDIATELY CLOSED BOTH THROTTLES. AFTER TAXING BACK TO THE RAMP AND INVESTIGATING IT WAS FOUND THAT THE #6 CYLINDER HAD SPLIT INTO TWO PIECES. THE HALVES HAD SEPARATED EXPOSING ABOUT 1/4 OF AN INCH OF THE TOP OF THE INNER PISTON SLEAVE.