Federal Register #2026-10491

FAA Airworthiness Directive for Airbus Canada Aircraft: Safety Inspections and Corrective Actions

The Federal Aviation Administration (FAA) has issued a final airworthiness directive impacting certain Airbus Canada Limited Partnership aircraft: - Government Buyer: - Federal Aviation Administration (FAA), Aircraft Certification Service, Airworthiness Products Section, Operational Safety Branch - OEMs Involved: - Airbus Canada Limited Partnership (formerly C Series Aircraft Limited Partnership (CSALP)) - Bombardier, Inc. - Products/Services Requested: - Repetitive operational checks and inspections of gravity cross flow shut-off valves and motive flow fuel-feed tubes on Model BD-500-1A10 and BD-500-1A11 airplanes - Includes replacement of saddle clamps and other corrective actions as specified in Transport Canada AD CF202524 - Affects 96 U.S.-registered aircraft - Unique/Notable Requirements: - Addresses mechanical wear damage that could cause fuel imbalance and increased crew workload - Compliance with both FAA and Transport Canada airworthiness directives is required - No specific part numbers or procurement of new products; this is a regulatory compliance action for operators - Locations: - FAA Airworthiness Products Section, Des Moines, WA - U.S. Department of Transportation Docket Operations, Washington, DC - Transport Canada National Aircraft Certification, Nepean, Ontario, Canada

Description

This final rule published by the FAA mandates specific safety inspections and replacements on Airbus Canada Limited Partnership aircraft to address safety concerns. The rule supersedes a previous directive and requires replacement of saddle clamps, inspection of motive flow fuel-feed tubes, and applicable corrective actions. It aims to address mechanical wear damage on fuel-feed tubes to prevent failure of the gravity transfer system, which could lead to fuel imbalance and increased crew workload. The directive affects certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes and is effective July 1, 2026.

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