# Airworthiness Directives; Airbus SAS Airplanes
> **Rule** · Final rule. · Published 2019-10-10 · Effective 2019-11-14 · 84 FR 54490
## Document
- **Document number:** 2019-22131
- **Category:** airworthiness
- **Manufacturer:** Airbus SAS
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 84 FR 54490
- **Publication date:** 2019-10-10
- **Effective date:** 2019-11-14
- **FAA docket:** Docket No. FAA-2019-0194
## Abstract

The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and -1041 airplanes. This AD was prompted by reports of cracks within the ring gears of a slat geared rotary actuator (SGRA) resulting from a change in the raw material manufacturing process. This AD requires replacement of affected parts with serviceable parts, as specified in a European Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/10/10/2019-22131/airworthiness-directives-airbus-sas-airplanes)
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