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Final rule.
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by reports of multiple in-flight departures of the aft belly fairing access panels. This AD requires modification of the aft belly fairing access panels. We are issuing this AD to address the unsafe condition on these products.