As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
2 SECONDS AFTER FULL POWER APPLICATION FOR TAKEOFF, A LOUD BANG WAS HEARD AND THE PILOT DETECTED SIGNIFICANT VIBRATION IMMEDIATELY. PILOT ABORTED TAKEOFF, LIMPED TO PARKING AND SHUTDOWN. VISUAL INSPECTION REVEALED NR 3 CYLINDER HEAD SEPARATION CONSISTENT WITH PROBLEMS COVERED BY AD ON EARLIER S/N RANGE FOR MFG CYLINDERS. RECOMMEND REVIEW OF AFFECTED S/N RANGE TO EXPAND AD. AD 2009-26-12 GOES UP TO S/N 42179-30.