Ethiopian airliner down in Africa

[Organfreak]

Originally Posted by Chronus

Here is an interesting piece on the STM :


"• Boeing 737NG • Improve field reliability of the Horizontal Stabilizer Trim Motor (STM) • Solder joint fatigue of the memory chip • 6355C0001-01 to 6355C0001-02
""Joint investigation into the STM’s field reliability with Boeing, along with lessons learned from 737MAX qualification, have yielded design improvements to the Control PWA.".

The link is at:

file:///C:/Users/Tony/Downloads/Jay%...A302_FINAL.pdf

Sorry, link is bad. Looks as if it's a local file on your puter.