# Airworthiness Directives; Rolls-Royce Corporation AE 2100D3 Turboprop Engines
> **Rule** · Final rule; request for comments. · Published 2006-12-14 · Effective 2006-12-29 · 71 FR 75108
## Document
- **Document number:** E6-21185
- **Category:** airworthiness
- **Manufacturer:** Rolls-Royce Corporation AE 2100D3 Turboprop
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 71 FR 75108
- **Publication date:** 2006-12-14
- **Effective date:** 2006-12-29
- **FAA docket:** Docket No. FAA-2006-26414
## Abstract

The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation (RRC) AE 2100D3 turboprop engines. This AD requires removing certain part number (P/N) compressor cone shaft assemblies at a new reduced cyclic life limit of 5,000 engine cycles. This AD results from low-cycle-fatigue testing and analysis of certain P/N compressor cone shaft assemblies, by RRC. We are issuing this AD to prevent uncontained failure of the compressor cone shaft assembly, leading to engine shutdown and damage to the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/12/14/E6-21185/airworthiness-directives-rolls-royce-corporation-ae-2100d3-turboprop-engines)
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