federal_register: 2012-12350

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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
2012-12350 Airworthiness Directives; Bell Helicopter Textron Helicopters Proposed Rule We propose to adopt a new airworthiness directive (AD) for Bell Helicopter Textron (BHT) Model 412, 412EP, and 412CF helicopters. This proposed AD is prompted by a reported failure of a collective lever. These proposed actions are intended to detect a crack in the collective lever, which could lead to failure of the collective lever and subsequent loss of control of the helicopter. 2012-05-22 2012 5 https://www.federalregister.gov/documents/2012/05/22/2012-12350/airworthiness-directives-bell-helicopter-textron-helicopters https://www.govinfo.gov/content/pkg/FR-2012-05-22/pdf/2012-12350.pdf Transportation Department; Federal Aviation Administration 492,159 We propose to adopt a new airworthiness directive (AD) for Bell Helicopter Textron (BHT) Model 412, 412EP, and 412CF helicopters. This proposed AD is prompted by a reported failure of a collective lever. These proposed actions are intended to detect a...  

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