# Proposed AD FAA-2011-0474: Airbus Model A330-200 and -300 Series Airplanes, and Model A340-200 and -300 Series Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2011-18-20
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: May 23, 2011, 76 FR 29673
- Comments due: July 7, 2011
- Became: [AD 2011-18-20](https://openairdocs.org/ad/2011-18-20)
- Docket: FAA-2011-0474 (https://www.regulations.gov/docket/FAA-2011-0474, where comments are filed)
- Project: 2010-NM-213-AD
- FR document: 2011-12507
- Official PDF: https://openairdocs.org/files/sha256/44/13/441328188d3d4b9aa71f2af1f7527ce1b5b00c5fe652ac5158780c6de7a28a7a (from https://www.govinfo.gov/content/pkg/FR-2011-05-23/pdf/2011-12507.pdf)
- Federal Register: https://www.federalregister.gov/documents/2011/05/23/2011-12507/airworthiness-directives-airbus-model-a330-200-and--300-series-airplanes-and-model-a340-200-and--300
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/72D6E839073CA6478625789900465AF3.0001
- Page: https://openairdocs.org/proposed/FAA-2011-0474

## Summary

We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

It was noticed in production that the distance between the wire harnesses 5376VB/2M and 5377VB/1M which are above the left-hand (LH) and right-hand (RH) door 4, and the air conditioning duct could be too small. This could result in collision between the flexible air conditioning hose and wire harnesses.

This condition, if not corrected, could lead to the short circuit of wires dedicated to oxygen, which, in case of emergency, could result in a large number of passenger oxygen masks not being supplied with oxygen, possibly causing personal injuries.

* * * * *

The proposed AD would require actions that are intended to address the unsafe condition described in the MCAI.

## Notices in this docket

- May 23, 2011: Notice of proposed rulemaking (NPRM). (first notice), FR document 2011-12507, comments due Jul 7, 2011 (https://www.federalregister.gov/documents/2011/05/23/2011-12507/airworthiness-directives-airbus-model-a330-200-and--300-series-airplanes-and-model-a340-200-and--300)

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