Transportation Department Docket FAA-2016-9553 Proposed Rule

2017-03283: Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines

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Summary

We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 3007C and 3007C1 model turbofan engines. This proposed AD was prompted by analysis and by cracks found in the high-pressure turbine (HPT) wheel during an inspection. This proposed AD would require replacement of the affected HPT wheels at new, lower life limits. We are proposing this AD to correct 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.

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