# Airworthiness Directives; Airbus Model A319, A320, A321, A330, and A340 Series Airplanes Equipped With Certain Thales Avionics Digital Distance and Radio Magnetic Indicators (DDRMIs)
> **Rule** · Final rule; request for comments. · Published 2002-04-22 · Effective 2002-04-29 · 67 FR 19511
## Document
- **Document number:** 02-9614
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 67 FR 19511
- **Publication date:** 2002-04-22
- **Effective date:** 2002-04-29
- **FAA docket:** Docket No. 2002-NM-80-AD, Amendment 39-12724
## Abstract

This document publishes in the Federal Register an amendment adopting airworthiness directive (AD) 2002-06-53 that was sent previously to all known U.S. owners and operators of Airbus Model A319, A320, A321, A330, and A340 series airplanes equipped with certain Thales Avionics Digital Distance and Radio Magnetic Indicators (DDRMIs) by individual notices. This AD requires deactivation of certain Thales Avionics DDRMIs. This action is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent failure of the DDRMI, which could cause the loss of data from the affected computers to other systems and degradation or total failure of the computers, leading to reduced ability to control the airplane in adverse conditions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/04/22/02-9614/airworthiness-directives-airbus-model-a319-a320-a321-a330-and-a340-series-airplanes-equipped-with)
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