Regulation & law · 10/10/2007Updated: 10/17/2026 · 1 min read
FAA Proposes New Airworthiness Directive for Pratt & Whitney Turbofan Engines
The Federal Aviation Administration (FAA) is proposing a new airworthiness directive (AD) to reduce the lifespan of front turbine hubs in Pratt & Whitney PW4090 and PW4090-3 engines, in an effort to prevent engine shutdowns and potential damage to aircraft
Original source language: Federal Register — All DocumentsOpen original release →