FAA to Planes: Your Wing Nuts Are Wrong—Time for a Swap!
Published Date: 9/15/2025
Proposed Rule
Summary
The FAA wants to fix a problem on certain Airbus Canada airplanes where the wrong metal fasteners were used in a key wing part. They’re asking owners to check these fasteners and fix any issues to keep flights safe. This update affects specific BD-500 models and could mean some quick inspections and repairs soon.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Inspections and Repairs Required for BD-500 Wings
The FAA proposes an airworthiness directive for Airbus Canada Model BD-500-1A10 and BD-500-1A11 airplanes after finding titanium fasteners were installed where nickel alloy fasteners should be at the butt strap at the outer wing box lower skin to center wing box interface. The rule would require identification of the installed fasteners and applicable on-condition actions (inspections and repairs) to address the unsafe condition.
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