Airworthiness Directives

MD HELICOPTERS, LLC [Docket No. FAA-2024-2009; Project Identifier AD-2023-01286-R; Amendment 39-23121; AD 2025-17-11] The FAA is adopting a new airworthiness directive (AD) for certain MD Helicopters, LLC, Model 369 (Army YOH-6A), 369A (Army OH-6A), 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by multiple reports of cracked tail rotor (T/R) pedal support brackets. This AD requires repetitively inspecting certain part-numbered T/R pedal support brackets and depending on the results, replacing the T/R pedal support bracket or refinishing any exposed areas. This AD also prohibits installing certain part-numbered T/R pedal support brackets. The FAA is issuing this AD to address the unsafe condition on these products. This AD is effective Oct. 10, 2025. The FAA estimates that this AD affects 556 helicopters of U.S. registry. The FAA estimates the cost of compliance to visually inspect the T/R pedal support brackets (up to two T/R pedal support brackets per helicopter) will to cost up to $23,908 for the U.S. fleet per inspection cycle, and non-destructive inspection of the T/R pedal support brackets to cost up to $170 per helicopter and $94,520 for the U.S. fleet per inspection cycle. For more information contact Eduardo Orozco-Duran, Aviation Safety Engineer, FAA, 3960 Paramount Boulevard, Lakewood, California 90712; telephone: 562-627-5264; email: [email protected].

LEONARDO S.p.A. HELICOPTERS [Docket No. FAA-2025-2271; Project Identifier MCAI-2025-01166-R; Amendment 39-23128; AD 2025-18-01] The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A109E, A109S, AW109SP, A119, and AW119 MKII helicopters. This AD was prompted by a report that certain manufacturer maintenance instructions for swashplate assembly installation specified incorrect torque values for certain swashplate nuts. This AD requires repetitively inspecting certain swashplate nuts for cracks, fretting, or slippage marks and, depending on the results, performing corrective actions. The FAA is issuing this AD to address the unsafe condition on these products. This AD is effective Sept. 25, 2025. The FAA estimates that this AD affects 173 helicopters of U.S. registry. The FAA estimates the cost of compliance of $340 per aircraft and the cost to the U.S. fleet of $58,820 plus on-condition costs of $3,421 per product. For more information contact Carl Franklin, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone: 817-222-5291; email: [email protected].