# Airworthiness Directives; Airbus SAS Airplanes
> **Rule** · Final rule. · Published 2018-08-09 · Effective 2018-09-13 · 83 FR 39326
## Document
- **Document number:** 2018-16504
- **Category:** airworthiness
- **Manufacturer:** Airbus SAS
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 39326
- **Publication date:** 2018-08-09
- **Effective date:** 2018-09-13
- **FAA docket:** Docket No. FAA-2018-0165
## Abstract

We are adopting a new airworthiness directive (AD) for all Airbus SAS Model A318-111 and -112 airplanes, Model A319-111, -112, - 113, -114, and -115 airplanes, Model A320-211, -212, -214, and -216 airplanes, and Model A321-111, -112, -211, -212, and -213 airplanes. This AD was prompted by a report of a production quality deficiency on the inner retainer installed on link assemblies of the aft engine mount, which could result in failure of the retainer. This AD requires modifying and re-identifying the aft engine mount assemblies. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/08/09/2018-16504/airworthiness-directives-airbus-sas-airplanes)
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