Airworthiness directives › 2026-10-12
AD 2026-10-12 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-2025-24, dated April 29, 2025 (Transport Canada AD CF-2025-24).
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraphs (h) and (i) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, Transport Canada AD CF-2025-24.
Unsafe condition
This AD was prompted by reports of mechanical wear damage on the motive flow fuel-feed tubes that were secured by bonding clamps and clamp blocks inside the collector tank. This AD was also prompted by a determination that replacement of the saddle clamps of the motive flow tubes is also needed to address the unsafe condition. The FAA is issuing this AD to address mechanical wear damage on the motive flow fuel-feed tubes. The unsafe condition, if not addressed, could result in failure of the affected motive flow fuel-feed tubes and a subsequent failure of the gravity transfer system, which could lead to a fuel imbalance condition resulting in a reduction in airplane functional capabilities and increased crew workload.
Affected ADs
This AD replaces AD 2024-04-06, Amendment 39-22685 (89 FR 19228, March 18, 2024) (AD 2024-04-06).
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