Business · 01/07/2010Updated: 10/17/2026 · 1 min read

Boeing Issues Airworthiness Directive for Certain 747-100 to 747SP Series Airplanes

Summary

Boeing is issuing an airworthiness directive to inspect and potentially rework or replace duct assemblies in the environmental control system of certain 747-100 to 747SP series airplanes due to reports of burned polyurethane foam insulation, which could lead to a fire

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

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