# Airworthiness Directives; Airbus Airplanes
> **Rule** · Final rule. · Published 2016-07-05 · Effective 2016-08-09 · 81 FR 43472
## Document
- **Document number:** 2016-15356
- **Category:** airworthiness
- **Manufacturer:** Airbus
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 43472
- **Publication date:** 2016-07-05
- **Effective date:** 2016-08-09
- **FAA docket:** Docket No. FAA-2015-8134
## Abstract

We are adopting a new airworthiness directive (AD) for all Airbus Model A300 series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). This AD was prompted by a report of cracking of the lower tension bolt area at the rib one junction (both sides) of the lower wing. This AD requires repetitive inspections for cracking of the fasteners and of the fitting around the fastener holes at the frame (FR) 40 lower wing location, and corrective actions if necessary. We are issuing this AD to detect and correct crack initiation of the fittings of the FR40 lower wing locations, which could result in reduced structural integrity of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/07/05/2016-15356/airworthiness-directives-airbus-airplanes)
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