# Airworthiness Directives; Airbus Model A300 B4-620, A310-203, A310-221, and A310-222 Series Airplanes
> **Rule** · Final rule. · Published 2001-04-23 · Effective 2001-05-29 · 66 FR 20379
## Document
- **Document number:** 01-9665
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 20379
- **Publication date:** 2001-04-23
- **Effective date:** 2001-05-29
- **FAA docket:** Docket No. 2000-NM-223-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Airbus Model A300 B4-620, A310-203, A310-221, and A310-222 series airplanes, that requires repetitive inspections of fuselage frame 07 in the upper frame section assemblies of the lateral cockpit windows, and corrective action, if necessary. Accomplishment of certain corrective actions extends the repetitive inspection interval. The actions specified by this AD are intended to detect and correct fatigue cracking in that area, which could result in reduced structural integrity of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/04/23/01-9665/airworthiness-directives-airbus-model-a300-b4-620-a310-203-a310-221-and-a310-222-series-airplanes)
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