Regulation & law · 18/10/2006Updated: 10/17/2026 · 1 min read

Boeing Issues Airworthiness Directive for 747-400, 777-200, and 777-300 Series Airplanes

Boeing has issued an airworthiness directive requiring certain Model 747-400, 777-200, and 777-300 series airplanes to replace or inspect the flight deck humidifier to prevent reduced airflow and potential smoke issues in the cockpit.