Boeing 737NG Horizontal Stabilizer Jackscrew in Operation
Anders Cornelius Olesen · Demo · 2 min · 2014 · YouTube title: Boeing 737NG horizontal stabilizer jackscrew cycle
Why it's here
HN used it during 737 Max crash discussions to show how the stabilizer trim works and why manual trimming takes time.
What it covers
A short clip shows the horizontal stabilizer jackscrew of a Boeing 737NG cycling through its motion. It illustrates how pitch trim is physically adjusted.