Federal Register #2026-18927

FAA Airworthiness Directives for MD Helicopters, LLC and Pilatus Aircraft Ltd. Models

This opportunity summary covers recent airworthiness directives issued by the Federal Aviation Administration (FAA), part of the Department of Transportation, impacting Pilatus Aircraft Ltd. and MD Helicopters, LLC models. - Government Buyer: - Federal Aviation Administration (FAA), Aircraft Certification Service, International Validation Branch, West Certification Branch - OEMs Mentioned: - MD Helicopters, LLC - Pilatus Aircraft Ltd. - Products/Services Requested: - For Pilatus Aircraft Ltd. Model PC24: Addressing a solid-state relay issue in the left-hand windshield heating system (part number: EASA AD 20260008) - For MD Helicopters, LLC Model 369 Series: Repetitive inspections and possible replacement of torque tube assemblies and roller bearings (affecting 680 helicopters) - Unique/Notable Requirements: - Inspections for MD Helicopters must occur within 100 hours time-in-service or 12 months after the directive's effective date, with recurring inspections every 100 hours - The directives are focused on safety compliance and preventing loss of control due to component failure - No bids or proposals are requested; this is a regulatory safety notice, not a procurement opportunity - No specific purchase quantities or contract vehicles are listed - The FAA also updated airspace legal descriptions for Hyannis, MA, and Cape Cod Gateway Airport, MA, but these changes do not affect procurement

Description

The Federal Aviation Administration (FAA) is issuing a final rule superseding AD 2024-23-06 for certain MD Helicopters, LLC models. The new airworthiness directive (AD) continues to require inspections and replacements of torque tube assemblies and expands applicability to additional torque tube assemblies. This AD addresses unsafe conditions related to seized and damaged roller bearing assemblies in the torque tube assembly. The AD is effective October 20, 2026.

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