# Airworthiness Directives; Rolls-Royce plc Turbofan Engines
> **Rule** · Final rule. · Published 2015-08-11 · Effective 2015-09-15 · 80 FR 48018
## Document
- **Document number:** 2015-19321
- **Category:** airworthiness
- **Manufacturer:** Rolls-Royce plc Turbofan
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 80 FR 48018
- **Publication date:** 2015-08-11
- **Effective date:** 2015-09-15
- **FAA docket:** Docket No. FAA-2015-0095
## Abstract

We are adopting a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) RB211-524B-02, RB211-524B2-19, RB211-524B3-02, RB211-524B4-02, RB211-524B4-D-02, RB211-524C2-19, RB211-524D4-19, RB211-524D4-39, and RB211-524D4X-19 turbofan engines. This AD requires removing affected high-pressure turbine (HPT) blades. This AD was prompted by several failures of affected HPT blades. We are issuing this AD to prevent failure of the HPT blade, which could lead to failure of one or more engines, loss of thrust control, and damage to the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/08/11/2015-19321/airworthiness-directives-rolls-royce-plc-turbofan-engines)
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