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Business · 20/04/1994Updated: 10/15/2026 · 1 min read

Airworthiness Directives; AlliedSignal, Inc. TFE731-3 Series Turbofan Engines

Summary

The Federal Aviation Administration (FAA) issues an amendment to an existing airworthiness directive requiring AlliedSignal, Inc. to replace A5 seals with redesigned seals in certain TFE731-3 series turbofan engines to prevent uncontained failure of the first stage low pressure turbine.

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

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