# Airworthiness Directives; Rolls-Royce plc RB211 Trent 500 Series Turbofan Engines
> **Rule** · Final rule; request for comments. · Published 2007-09-18 · Effective 2007-10-03 · 72 FR 53108
## Document
- **Document number:** E7-18324
- **Category:** airworthiness
- **Manufacturer:** Rolls-Royce plc RB211 Trent 500 Series Turbofan
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 72 FR 53108
- **Publication date:** 2007-09-18
- **Effective date:** 2007-10-03
- **FAA docket:** Docket No. FAA-2007-27955
## Abstract

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) provided by an aviation authority of the United Kingdom (UK) to identify and correct an unsafe condition on Rolls-Royce plc RB211 Trent 500 series turbofan engines. The MCAI states the following:

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/09/18/E7-18324/airworthiness-directives-rolls-royce-plc-rb211-trent-500-series-turbofan-engines)
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