Transport i infrastruktura · 07/12/1994

Boeing 747 Series Airplanes Equipped with Pratt & Whitney Model JT9D-70 Engines Receive Airworthiness Directive from the FAA

The Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for certain Boeing 747 series airplanes equipped with Pratt & Whitney Model JT9D-70 engines, requiring inspections to detect cracking of the outboard strut spring beam and replacement of cracked parts to prevent fatigue-related failures.