As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE ENGINE COMPRESSOR STALL: ON CLIMB OUT, UPON FIRST POWER REDUCTION WE EXPERIENCED WHAT WE BELIEVE WAS COMPRESSOR STALLS. THE VIBRATION/ STALLS WERE FELT IN THE RUDDER PEDALS AND YOKE. THE ENGINE EVENT MARKER WAS UTILIZED. REMOVED AND REPLACED THE ENGINE.