Federal Register #AD 2026-19-01

Correction to FAA Airworthiness Directive for MD Helicopters, LLC Model 369 Series

This notice provides a correction to a previously published airworthiness directive (AD) from the Federal Aviation Administration (FAA) affecting all MD Helicopters, LLC Model 369 series and related models. - Government Buyer: - Federal Aviation Administration (FAA), Department of Transportation - OEM Highlight: - MD Helicopters, LLC is the only OEM referenced - Products/Services Requested: - No procurement of products or services is requested; this is a regulatory correction - The original AD mandates repetitive inspections of the torque tube assembly and roller bearings for corrosion, cracks, and damage - Required actions include removal and replacement of affected components if issues are found - Unique/Notable Requirements: - The correction only adds missing AD and amendment numbers to the regulatory text header - No changes are made to the substantive requirements of the original AD - The directive aims to prevent failure of the torque tube assembly, which could result in reduced controllability and loss of control of the helicopter - No specific part numbers, purchase quantities, or contract values are included - No procurement, solicitation, or award is announced in this notice

Description

The FAA is correcting an airworthiness directive (AD) that was published in the Federal Register. The AD applies to all MD Helicopters, LLC Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. The correction addresses missing AD and amendment numbers in the header of the regulatory text. The original document remains the same in all other respects, and the correction is effective October 20, 2026.

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