# Airworthiness Directives; Airbus Model A300 B4-620, A310-304, A310-324, and A310-325 Airplanes
> **Rule** · Final rule. · Published 2005-10-06 · Effective 2005-11-10 · 70 FR 58303
## Document
- **Document number:** 05-19844
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 58303
- **Publication date:** 2005-10-06
- **Effective date:** 2005-11-10
- **FAA docket:** Docket No. FAA-2005-22032
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Airbus Model A300 B4-620, A310-304, A310-324, and A310-325 airplanes. This AD requires installing fused adaptors between the external wiring harness and the in-tank wiring at the connectors on the fuel tank wall of the auxiliary center tank (ACT). This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent an ignition source in the ACT, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/10/06/05-19844/airworthiness-directives-airbus-model-a300-b4-620-a310-304-a310-324-and-a310-325-airplanes)
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