federal_register: 2017-24811

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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
2017-24811 Airworthiness Directives; The Boeing Company Airplanes Proposed Rule We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, -500, -600, -700, -700C, -800, -900, and -900ER series airplanes; Model 757 airplanes; Model 767 airplanes; Model 777 airplanes; and Model 787-8 and 787-9 airplanes. This proposed AD was prompted by reports of fuel crossfeed valves failing to open when activated during flight. This proposed AD would require, for certain airplanes, revising the airplane flight manual (AFM); and for certain other airplanes, revising the minimum equipment list (MEL) to do an operational check of the fuel crossfeed valve prior to each extended range operations (ETOPS) flight if one fuel crossfeed valve (or the fuel balancing system on Model 787 airplanes) is inoperative. We are proposing this AD to address the unsafe condition on these products. 2017-12-05 2017 12 https://www.federalregister.gov/documents/2017/12/05/2017-24811/airworthiness-directives-the-boeing-company-airplanes https://www.govinfo.gov/content/pkg/FR-2017-12-05/pdf/2017-24811.pdf Transportation Department; Federal Aviation Administration 492,159 We propose to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, -500, -600, -700, -700C, -800, -900, and -900ER series airplanes; Model 757 airplanes; Model 767 airplanes; Model 777 airplanes; and Model 787-8 and...  

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