AD 2026-15-09: Bombardier, Inc., Airplanes

What the FAA requires

The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by an in-service event where a main landing gear tire burst upon landing. This AD requires an inspection to determine if an affected brake control unit (BCU) is installed and replacement of affected BCUs. This AD also prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.

Read the full directive on the Federal Register →

Applicability

This AD applies to Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes, certificated in any category, as identified in Transport Canada AD CF-2022-53, dated September 8, 2022 (Transport Canada AD CF-2022-53). (d) Subject Air Transport Association (ATA) of America Code 32, Landing Gear. (e) Unsafe Condition This AD was prompted by an in-service event where a main landing gear tire burst upon landing. The investigation into the event found that with the loss of a 5V power supply in the brake control unit (BCU) wheel control card, a residual current may build within the brake control valve (BCV) driver circuit. This residual current may result in uncommanded brake pressure during landi

Part numbers this directive names (4)

Extracted from the directive text. For each: the NSN cross-reference where one exists, sellers listing it here, and open DLA solicitations on the NSN.