Noisy
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The world is being quietly rearranged by people who write very long documents.

Federal Register · April 7, 2025
The title they went with Airworthiness Directives; Bombardier, Inc., Airplanes Noisy translates that to

Bombardier planes must disconnect a system that could cause uncommanded flap movement

What happened
US aviation regulators want to disconnect a specific recording system on certain Bombardier airplanes. This system has been linked to flap control unit errors and unexpected flap movements.
Why it matters
This is a safety fix for a specific aircraft model. It means that a known risk of unexpected flap movement on these planes will be removed. For operators of these aircraft, it means a mandatory maintenance action to disconnect the system and a prohibition on reinstalling it.
The signal
Watch for the final rule to be published and the compliance rate among affected Bombardier aircraft operators.
If you insist
Read the original →