Business · 07/11/2011Updated: 10/17/2026 · 1 min read

Pratt & Whitney Division (PW) Proposes New Airworthiness Directive for PW4000 Series Turbofan Engines

Summary

Pratt & Whitney Division (PW) is proposing a new airworthiness directive (AD) for PW4000 series turbofan engines, requiring replacement of a faulty fuel metering unit to prevent engine overspeed and potential uncontained engine failure.

Original source language: Federal Register — Transportation DepartmentOpen original release →

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