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Entreprise · 11/05/20111 min de lecture
Airworthiness Directives; The Boeing Company Model 747-400, 747-400D, and 747-400F Series Airplanes Equipped With General Electric CF6-80C2 or Pratt & Whitney PW4000 Series Engines
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Résumé
We are adopting a new airworthiness directive (AD) for the products listed above. This AD requires modifying certain thrust reverser control system wiring to the flap control unit (FCU). This AD was prompted by a report of automatic retraction of the leading edge flaps due to indications transmitted to the FCU from the thrust reverser control system during takeoff. We are issuing this AD to prevent automatic retraction of the leading edge flaps during takeoff, which could result in reduced climb performance and consequent collision with terrain and obstacles or forced landing of the airplane.
Langue originale de la source: Federal Register — Transportation DepartmentOuvrir le communiqué original →