MAX’s Return Delayed by FAA Reevaluation of 737 Safety Procedures

[walkon19]

Originally Posted by OldnGrounded

Multiple reports from reliable major international news outlets have reported that concerns about the effort required to trim using the manual wheels are on the EASA list.

Have you seen this video from Mentour Pilot?

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

As an attempt to better describe what the jackscrew looks like andhows it works ( on the NG - but MAX details are probably the same )

You Tube

You Tube

And this jpeg

should help

note that on the video showing jack screw in motion- the difference in speed as it reaches full nosedown position ( top of jackscrew )