As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF - LT ENGINE SURGING FROM TAKEOFF POWER TO IDLE. FOLLOWED QRH AND PERFORMED LT ENGINE SHUTDOWN AND RETURNED TO MEM. FLT 4230 CX. AIRCRAFT RETURNED TO ATL AFTER T/O. THIS SDR WILL REMAIN OPEN PENDING MAINTENANCE DETERMINATION OF AN APPROPRIATE CORRECTIVE ACTION. EMERGENCY DECLARED.