federal_register: 2026-10170

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2026-10170 Airworthiness Directives; Leonardo S.p.a. Helicopters Rule The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB139, AW139, and AW189 helicopters. This AD was prompted by a report of cracks on the left-hand (LH) and right-hand (RH) tube assemblies installed on the brake pedal assemblies. This AD requires repetitively inspecting the LH and RH tube assemblies for Model AB139 and AW139 helicopters, and the LH and RH pedal shaft assemblies for Model AW189 helicopters, and depending on the results of the inspection, corrective actions. This AD also prohibits installing certain parts unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products. 2026-05-21 2026 5 https://www.federalregister.gov/documents/2026/05/21/2026-10170/airworthiness-directives-leonardo-spa-helicopters https://www.govinfo.gov/content/pkg/FR-2026-05-21/pdf/2026-10170.pdf Transportation Department; Federal Aviation Administration 492,159 The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model AB139, AW139, and AW189 helicopters. This AD was prompted by a report of cracks on the left-hand (LH) and right-hand (RH) tube assemblies installed on the brake pedal... 2120-AA64

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