NG Models Southwest Airlines Boeing 737 MAX 7 N7207Z 1:400 Diecast Model1: 400 Diecast: Southwest Airlines Boeing 737 MAX 7 N7207Z "Heart Livery" (NG Models NG87002) N7207Z (MSN 42590, line number 7570) first flew on October 10, 2019 at Renton one of Southwest's early 737 MAX 7 airframes, built with CFM International LEAP 1B20 engines. The MAX 7 carries the smallest cabin in the MAX family, optimised for Southwest's high frequency, point to point network. At the time of this model's release, N7207Z remained in storage