What were the make and model of the engine that failed in flight Southwest 1380?
According to this article published on news.com.au:


Engine model is CFM56-7B, debuted in 1997.
Manufacturer is CFM International, jointly owned by General Electric of the United States and Safran Aircraft Engines, a division of Safran of France.


More specifically, AirFleets.net reports:


Engine model: CFM56-7B24
Plane: Boeing 737 Next Gen, variant group 737-700