"That's why the flight crew followed established procedures to return to Los Angeles (LAX) after smoke was detected in the galley."
Flightradar24 showed that from Memphis, it should return to Minneapolis-Saint Paul before ending its day in Kansas City, potentially indicating that the aircraft either had a minor issue or that Delta Air Lines TechOps maintenance technicians managed to fix the problem overnight.
Flight DL43 had departed from Los Angeles International Airport for Sydney, Australia, before diverting back to Los Angeles and landing safely a short time later.