# Airworthiness Directives; Embraer S.A. Airplanes
> **Rule** · Final rule. · Published 2023-11-20 · Effective 2023-12-26 · 88 FR 80565
## Document
- **Document number:** 2023-25525
- **Category:** airworthiness
- **Manufacturer:** Embraer S.A.
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 88 FR 80565
- **Publication date:** 2023-11-20
- **Effective date:** 2023-12-26
- **FAA docket:** Docket No. FAA-2023-1504
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Embraer S.A. (Embraer) Model EMB-505 airplanes. This AD was prompted by an occurrence of corrosion on the clutch retaining bolt of the aileron autopilot servo mount. This AD requires repetitively replacing the clutch retaining bolt and washer of the aileron autopilot servo mount, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) 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/2023/11/20/2023-25525/airworthiness-directives-embraer-sa-airplanes)
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