federal_register: 2012-27059

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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
2012-27059 Airworthiness Directives; Bell Helicopter Textron Helicopters Rule We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron (BHT) Model 412, 412EP, and 412CF helicopters. This AD requires a repetitive inspection of the collective lever for a crack, and if there is a crack, before further flight, replacing the collective lever with an airworthy collective lever. This AD was prompted by a reported failure of a collective lever. The 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. 2012-11-15 2012 11 https://www.federalregister.gov/documents/2012/11/15/2012-27059/airworthiness-directives-bell-helicopter-textron-helicopters https://www.govinfo.gov/content/pkg/FR-2012-11-15/pdf/2012-27059.pdf Transportation Department; Federal Aviation Administration 492,159 We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron (BHT) Model 412, 412EP, and 412CF helicopters. This AD requires a repetitive inspection of the collective lever for a crack, and if there is a crack, before further flight,...  

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