# Airworthiness Directives; Airbus Airplanes
> **Rule** · Final rule; request for comments. · Published 2017-09-27 · Effective 2017-10-12 · 82 FR 44907
## Document
- **Document number:** 2017-20559
- **Category:** airworthiness
- **Manufacturer:** Airbus
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 82 FR 44907
- **Publication date:** 2017-09-27
- **Effective date:** 2017-10-12
- **FAA docket:** Docket No. FAA-2017-0813
## Abstract

We are superseding Airworthiness Directive (AD) 2017-13-05, which applied to all Airbus Model A330-200, A330-300, A340-200, A340- 300, A340-500, and A340-600 series airplanes. AD 2017-13-05 required an inspection, corrective actions if necessary, lubrication of the ball- nut, modification of the trimmable horizontal stabilizer actuator (THSA), and additional work for previously modified airplanes. For certain airplanes, AD 2017-13-05 required installation of an electronic harness, terminating actions, and a ball-screw assembly inspection. This AD clarifies the formatting of a figure in the published version of AD 2017-13-05. This AD was prompted by reports indicating that affected parties misinterpreted the intent of a figure as formatted in the published version of AD 2017-13-05, which could result in a negative effect on compliance. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/09/27/2017-20559/airworthiness-directives-airbus-airplanes)
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