# Airworthiness Directives; Airbus Model A300, A300-600, and A310 Series Airplanes
> **Rule** · Final rule. · Published 2000-11-15 · Effective 2000-12-20 · 65 FR 68876
## Document
- **Document number:** 00-28967
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 68876
- **Publication date:** 2000-11-15
- **Effective date:** 2000-12-20
- **FAA docket:** Docket No. 2000-NM-104-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Airbus Model A300 and all Model A300-600 and A310 series airplanes, that currently requires performing a pitch trim system test to detect any continuity defect in the autotrim function, and follow-on corrective actions, if necessary. This amendment requires repetitive inspections of the autotrim function to detect such defects, and corrective actions, if necessary. This amendment also expands the applicability to include additional airplanes. This amendment 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 a sudden change in pitch due to an out-of-trim condition combined with an autopilot disconnect, which could result in reduced controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/11/15/00-28967/airworthiness-directives-airbus-model-a300-a300-600-and-a310-series-airplanes)
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