Business · 10/02/2011Updated: 10/17/2026 · 1 min read

Boeing Proposes New Airworthiness Directive for 747-400 and 747-400F Series Airplanes

The Boeing Company is proposing a new airworthiness directive for its 747-400 and 747-400F Series Airplanes to address issues with the main equipment center drip shields, including cracks and holes, and to prevent water penetration into critical flight systems.