[6AL-4V]

The 737 is NOT fly by wire. It has cables between the control column and rudder pedals, and the flight control surfaces.

[baysider]

June 11th, 2019 Carter Page-Halper Two Decades Means Russian Hacking, Cracking, and Fracking

https://www.youtube.com/watch?v=HGCMXCWb5Vs

[Unrepentant VN Vet]

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[xone]

The spoilers on the 737 Max are fly by wire. https://www.intelligent-aerospace.com/commercial/article/16542680/boeing-adds-flybywire-spoilers-electronic-bleedair-system-to-nextgeneration-737-max-jetliner-to-improve-fuel-burn

Then the 737 has boosted hydraulics for flight control surfaces?