Business · 19/05/2010Updated: 10/17/2026 · 1 min read
FAA Proposes New Airworthiness Directive for Pratt & Whitney JT8D-9 Engines
Summary
The Federal Aviation Administration (FAA) is proposing a new airworthiness directive (AD) for Pratt & Whitney (PW) JT8D-9 turbofan engines, requiring overhauling of fan blade leading edges after 4,000 cycles-in-service to prevent high-cycle fatigue cracking and potential uncontained failures.
Original source language: Federal Register — Transportation DepartmentOpen original release →