# Airworthiness Directives; Rolls-Royce plc (RR) RB211 Trent 768-60, 772-60, 772B-60, and 772C-60 Turbofan Engines
> **Rule** · Final rule; request for comments. · Published 2007-10-26 · Effective 2007-11-13 · 72 FR 60762
## Document
- **Document number:** E7-20913
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 72 FR 60762
- **Publication date:** 2007-10-26
- **Effective date:** 2007-11-13
- **FAA docket:** Docket No. FAA-2007-28976
## 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 the aviation authority for the United Kingdom to identify and correct an unsafe condition on an aviation product. The MCAI states the following:

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/10/26/E7-20913/airworthiness-directives-rolls-royce-plc-rr-rb211-trent-768-60-772-60-772b-60-and-772c-60-turbofan)
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