As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3408 - ATB/IFSD - PERFORMED AIR TURN BACK TO ATL DUE TO LEFT ENGINE STALL AND IFSD. EGT EXCEEDED LIMIT. ENGINE CHANGE REQUIRED. CORRECTIVE ACTION: REPLACED ENGINE PER AMDS WORK CARD 7100-9907-01. REPLACED #1 FIRE BOTTLE. OPS TEST GOOD. (6950938)