Yes, this is very likely about avoiding the max 8.
[1] https://en.m.wikipedia.org/wiki/Boeing_737_MAX_groundings
[2] https://en.wikipedia.org/wiki/Boeing_737_MAX#Alaska_Airlines...
[1] https://en.m.wikipedia.org/wiki/Boeing_737_MAX_groundings
[2] https://en.wikipedia.org/wiki/Boeing_737_MAX#Alaska_Airlines...