We are adopting a new airworthiness directive (AD) for all Honeywell International Inc. (Honeywell) TFE731-20 and TFE731-40 turbofan engines. This AD was prompted by two fan disks found with a manufacturing-caused flaw. This AD requires removing affected fan disks and replacing fan disks with a part eligible for installation. We are issuing this AD to address the unsafe condition on these products.
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Airworthiness Directives; Honeywell International Inc. Turbofan Engines
We are adopting a new airworthiness directive (AD) for all Honeywell International Inc. (Honeywell) TFE731-20 and TFE731-40 turbofan engines. This AD was prompted by two fan dis...
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82 FR 45173
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“Airworthiness Directives; Honeywell International Inc. Turbofan Engines,” thefederalregister.org (September 28, 2017), https://thefederalregister.org/documents/2017-20776/airworthiness-directives-honeywell-international-inc-turbofan-engines.