FAA Orders Relay Swap on Bombardier Jets to Tame Trim Switches
Published Date: 2/10/2025
Rule
Summary
If you fly a Bombardier BD-100-1A10, listen up! The FAA found a wiring problem that can make the plane’s stabilizer move on its own, which isn’t safe. They now require installing new trim switch relays to fix this, so owners need to act soon to keep flying safely without breaking the bank.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Mandatory relay install for BD-100-1A10
If you operate a Bombardier BD-100-1A10 airplane, the FAA now requires installing the pitch/roll trim switch relays. The rule responds to uncommanded horizontal stabilizer motion caused by trim switch wiring and is intended to address the unsafe condition.
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