Business · 05/08/2010Updated: 10/17/2026 · 1 min read

Boeing Proposes New Airworthiness Directive for 747-400 Series Airplanes

Summary

The Boeing Company is proposing a new airworthiness directive to modify thrust reverser control system wiring to the flap control unit on certain 747-400, 747-400D, and 747-400F series airplanes to prevent automatic retraction of leading edge flaps during takeoff, which could lead to reduced climb performance and potential collisions.

Original source language: Federal Register — Transportation DepartmentOpen original release →

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