2018-01704: Airworthiness Directives; Honeywell International Inc. Turbofan Engines
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We propose to supersede Airworthiness Directive (AD) 2017-20- 06, which applies to certain Honeywell International Inc. (Honeywell) AS907-1-1A turbofan engines. AD 2017-20-06 requires a one-time inspection of the second stage low-pressure turbine (LPT2) blades and, if the blades fail the inspection, the replacement of the blades with a part eligible for installation. Since we issued AD 2017-20-06, we determined the need to clarify the Applicability and Compliance sections of AD 2017-20-06. This proposed AD would continue to require a one-time inspection of the LPT2 blades and, if the blades fail the inspection, the replacement of the blades with a part eligible for installation. We are proposing this AD to address the unsafe condition on these products.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
Rulemaking docket
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