federal_register: 2021-15721

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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
2021-15721 Airworthiness Directives; Various Restricted Category Helicopters Rule The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Textron Inc. (Bell). This AD was prompted by multiple events involving failure of the tail boom attach structure including the bolts. This AD requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter to incorporate pre-flight checks; removing paint and sealant, and cleaning; repetitive inspections of structural components that attach the tail boom to the fuselage; and depending on the outcome of the inspections, repairing or replacing components, or re-bonding the structure. The FAA is issuing this AD to address the unsafe condition on these products. 2021-07-26 2021 7 https://www.federalregister.gov/documents/2021/07/26/2021-15721/airworthiness-directives-various-restricted-category-helicopters https://www.govinfo.gov/content/pkg/FR-2021-07-26/pdf/2021-15721.pdf Transportation Department; Federal Aviation Administration 492,159 The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Textron Inc. (Bell). This AD was prompted by multiple events involving failure of the tail boom attach structure...  

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