✈ Licensed Aircraft Maintenance Engineer
I fix the planes you fly on. Professional insights on aircraft maintenance & aviation safety. Straight from the hangar
We often replace these electrical dimmable window push buttons on B787.
They control the electrochromic windows... you press to tint the glass darker, but the change is slow. Many passengers keep pressing because they think it's not working. This wears the button out fast.
Replacements aren't cheap.