Airworthiness directives › 2026-10-07
AD 2026-10-07 Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
Models named: BD-500-1A10, BD-500-1A11. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Canada Limited Partnership (Type Certificate previously held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Model BD-500-1A10 and BD-500-1A11 airplanes, certificated in any category, as identified in Transport Canada AD CF-2025-09, dated February 24, 2025 (Transport Canada AD CF-2025-09).
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, Transport Canada AD CF-2025-09.
Unsafe condition
This AD was prompted by the discovery that titanium fasteners had been incorrectly installed in the butt strap at the outer wing box lower skin to center wing box interface in lieu of the correct nickel alloy fasteners. The FAA is issuing this AD to address the use of titanium fasteners. The unsafe condition, if not addressed, could result in a reduction in joint strength, potential damage to and loss of principal structure and fatigue critical structure, and the risk of a fuel leak if the fastener fails and falls free from the joint.
Affected ADs
None.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1