Federal Register #2026-14110

FAA Mandates Maintenance Program Revisions for Bombardier CL600 Series Aircraft

This opportunity concerns a regulatory compliance requirement issued by the Federal Aviation Administration (FAA), part of the Department of Transportation, for operators of specific Bombardier aircraft models. - Government Buyer: - Federal Aviation Administration (FAA), Department of Transportation - Airworthiness Products Section, Operational Safety Branch - OEM Highlight: - Bombardier, Inc. is the sole Original Equipment Manufacturer (OEM) referenced - Aircraft Models Affected: - Bombardier CL600-1A11 (600) - Bombardier CL600-2A12 (601) - Bombardier CL600-2B16 (601-3A, 601-3R, and 604 Variants) - Products/Services Requested: - Revision of maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations - Specific tasks include: - Discarding the nosewheel-steering control potentiometer coupling setscrews (Part No. B02011022220) - Performing maintenance tasks on the forward pressure bulkhead cap angle (aft side) as specified in Bombardier Temporary Revisions - Notable Requirements: - Compliance with updated Bombardier Challenger TLMC documents and temporary revisions - Applies to aircraft with specified serial numbers - Estimated compliance cost is $7,650 per operator for 390 operators - Compliance deadlines include 90 days after the effective date or as specified in the TLMC documents, with some tasks required up to 12 years after part replacement or entry into service - The directive supersedes a previous airworthiness directive and expands applicability to additional aircraft

Description

The Federal Aviation Administration (FAA) is issuing a final rule superseding Airworthiness Directive (AD) 2025-17-12 for certain Bombardier aircraft models including CL600-1A11, CL600-2A12, and certain CL600-2B16 variants. The directive requires revising the existing maintenance or inspection programs to incorporate new or more restrictive airworthiness limitations. This action adds certain airplanes to the applicability and addresses unsafe conditions to ensure continued airworthiness. The AD is effective August 18, 2026, and includes references to supporting documents and related regulations.

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