# Airworthiness Directives; Rolls-Royce Corporation Engines
> **Rule** · Final rule. · Published 2018-08-17 · Effective 2018-09-21 · 83 FR 40961
## Document
- **Document number:** 2018-17704
- **Category:** airworthiness
- **Manufacturer:** Rolls-Royce Corporation
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 40961
- **Publication date:** 2018-08-17
- **Effective date:** 2018-09-21
- **FAA docket:** Docket No. FAA-2018-0259
## Abstract

We are adopting a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 2100D2A and AE 2100D3 model turboprop engines and AE 3007A2 model turbofan engines. This AD was prompted by the possibility of a low-cycle fatigue failure on certain turbine wheels. This AD requires removing the affected turbine wheels at the next engine shop visit or before reaching the new reduced life limit, whichever occurs first, and replacing them with parts eligible for installation. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/08/17/2018-17704/airworthiness-directives-rolls-royce-corporation-engines)
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