Transport i infrastruktura · 08/12/2004

FAA Proposes New Airworthiness Directive for Boeing 747-100 and 747SP Models Equipped with Pratt and Whitney JT9D-3 or -7 Engines

The Federal Aviation Administration (FAA) proposes a new airworthiness directive for certain Boeing transport category airplanes, requiring repetitive inspections to detect and repair fatigue cracking of the bulkhead web at nacelle station 180, which could lead to engine separation and reduced airplane controllability.