federal_register: 2026-10591

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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
2026-10591 Airworthiness Directives; Airbus Helicopters Proposed Rule The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model AS350B2 helicopters. This proposed AD was prompted by a report of magnetization on the solenoid valves for the three main servo-controls, the regulator block, and the tail servo- control due to a diode not properly installed in the hydraulic circuit. This proposed AD would require performing a cut-off test of the rear rotor actuator valve and depending on the results of the test, this AD would require performing corrective actions. The FAA is proposing this AD to address the unsafe condition on these products. 2026-05-28 2026 5 https://www.federalregister.gov/documents/2026/05/28/2026-10591/airworthiness-directives-airbus-helicopters https://www.govinfo.gov/content/pkg/FR-2026-05-28/pdf/2026-10591.pdf Transportation Department; Federal Aviation Administration 492,159 The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model AS350B2 helicopters. This proposed AD was prompted by a report of magnetization on the solenoid valves for the three main servo-controls, the regulator... 2120-AA64

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