# Proposed AD 96-NM-194-AD: Airbus Model A310 and A300-600 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 99-26-08
- Action: Supplemental notice of proposed rulemaking; reopening of comment period.
- Published: October 5, 1999, 64 FR 53951
- Comments due: November 1, 1999
- Became: [AD 99-26-08](https://openairdocs.org/ad/99-26-08)
- Docket: 96-NM-194-AD
- FR document: 99-25770
- Official PDF: https://openairdocs.org/files/sha256/3f/8c/3f8c5362a6879ad0cf71f95b6286e792ebb19aec89e2a6199ff51e5873aa648a (from https://www.govinfo.gov/content/pkg/FR-1999-10-05/pdf/99-25770.pdf)
- Federal Register: https://www.federalregister.gov/documents/1999/10/05/99-25770/airworthiness-directives-airbus-model-a310-and-a300-600-series-airplanes
- Page: https://openairdocs.org/proposed/96-NM-194-AD

## Summary

This document revises an earlier proposed airworthiness directive (AD), applicable to certain Airbus Model A310 and A300-600 series airplanes, that would have required replacement of the rudder trim switch in the flight compartment with a new switch having a longer shaft; modification of wiring in panel 408VU; and replacement of the rudder trim control knob with a new knob, as necessary. This new action revises the proposed rule by requiring replacement of the control knob with an improved new knob. This proposal is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this new proposed AD are intended to prevent inadvertent and uncommanded rudder trim activation, which could result in yaw and roll excursions and consequent reduced controllability of the airplane.

## Notices in this docket

- Apr 1, 1997: Notice of proposed rulemaking (NPRM). (first notice), FR document 97-8126, comments due May 9, 1997 (https://www.federalregister.gov/documents/1997/04/01/97-8126/airworthiness-directives-airbus-industrie-model-a310-and-a300--600-series-airplanes)
- Feb 12, 1998: Supplemental notice of proposed rulemaking; reopening of comment period., FR document 98-3515, comments due Mar 9, 1998 (https://www.federalregister.gov/documents/1998/02/12/98-3515/airworthiness-directives-airbus-model-a310-and-a300-600-series-airplanes)
- Oct 5, 1999: Supplemental notice of proposed rulemaking; reopening of comment period., FR document 99-25770, comments due Nov 1, 1999 (https://www.federalregister.gov/documents/1999/10/05/99-25770/airworthiness-directives-airbus-model-a310-and-a300-600-series-airplanes)

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