FAA proposes new AD for Airbus Canada BD-500 requiring fuel vapor barrier

The FAA proposes to supersede AD 2021-13-20 for certain Airbus Canada BD-500 airplanes, adding a full secondary fuel vapor barrier and additional waste box inspections. This is a routine regulatory update addressing a newly identified corrosion risk, with no reported incidents. The change affects a specific aircraft model and is not market-moving.

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