federal_register: 2012-29707

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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
2012-29707 Airworthiness Directives; The Boeing Company Airplanes Rule We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 and -400F series airplanes. This AD was prompted by multiple reports of integrated display unit (IDU) malfunctions and mode control panel (MCP) malfunctions. This AD requires installing new software, replacing the duct assembly with a new duct assembly, making wiring changes, and routing certain wire bundles. We are issuing this AD to prevent IDU malfunctions, which could affect the ability of the flightcrew to read primary displays for airplane attitude, altitude, or airspeed, and consequently reduce the ability of the flightcrew to maintain control of the airplane. 2012-12-12 2012 12 https://www.federalregister.gov/documents/2012/12/12/2012-29707/airworthiness-directives-the-boeing-company-airplanes https://www.govinfo.gov/content/pkg/FR-2012-12-12/pdf/2012-29707.pdf Transportation Department; Federal Aviation Administration 492,159 We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 and -400F series airplanes. This AD was prompted by multiple reports of integrated display unit (IDU) malfunctions and mode control panel (MCP)...  

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