# Airworthiness Directives; Airbus Model A300 B2 and A300 B4 Series Airplanes; A300 B4-600, B4-600R, and F4-600R Series Airplanes; and Model C4-605R Variant F Airplanes (Collectively Called A300-600 Series Airplanes)
> **Rule** · Final rule. · Published 2006-06-13 · Effective 2006-07-18 · 71 FR 33994
## Document
- **Document number:** 06-5244
- **Category:** airworthiness
- **Manufacturer:** Airbus Model A300 B2 and A300 B4 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 33994
- **Publication date:** 2006-06-13
- **Effective date:** 2006-07-18
- **FAA docket:** Docket No. FAA-2004-19002
## Abstract

The FAA is superseding an existing airworthiness directive (AD), which applies to certain Airbus Model A300 and A300-600 series airplanes. That AD currently requires repetitive inspections to detect cracks in Gear Rib 5 of the main landing gear (MLG) attachment fittings at the lower flange, and repair, if necessary. That AD also requires modification of Gear Rib 5 of the MLG attachment fittings, which constitutes terminating action for the repetitive inspections. This new AD requires new repetitive inspections at reduced compliance times. This new AD also requires new repetitive inspections of certain areas of the attachment fittings that were repaired in accordance with the actions specified in the existing AD. This AD results from new service information that was issued by the manufacturer and mandated by the French airworthiness authority. We are issuing this AD to prevent fatigue cracking of the MLG attachment fittings, which could result in reduced structural integrity of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/06/13/06-5244/airworthiness-directives-airbus-model-a300-b2-and-a300-b4-series-airplanes-a300-b4-600-b4-600r-and)
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