Boeing Company 737-9 N739EX first flight

Boeing Company 737-9 Max N739EX msn 42989 ln 6308 first flight from Renton, Sep 8, flying as BOE902.  Hex code A9ECF4.  This is the second 737-9 Max prototype and will join N7379E in the certification program.  Will be going to Lion Air once certification is complete and is already fully painted in their livery.

Seen here at Renton back in May :

Photo credit : Huy Do