# Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes
> **Rule** · Final rule. · Published 2000-11-28 · Effective 2001-01-02 · 65 FR 70778
## Document
- **Document number:** 00-29605
- **Category:** airworthiness
- **Manufacturer:** Airbus Model A330 and A340 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 70778
- **Publication date:** 2000-11-28
- **Effective date:** 2001-01-02
- **FAA docket:** Docket No. 2000-NM-79-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A330 and A340 series airplanes, that requires modification of the rib 1/wing center spar attachment. This amendment is necessary to prevent fatigue cracking at the rib 1/center spar angle and bottom corner fitting, which could result in reduced structural capability of the wing. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/11/28/00-29605/airworthiness-directives-airbus-model-a330-and-a340-series-airplanes)
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