# Proposed AD FAA-2012-0671: Airbus Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2012-19-02
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: June 25, 2012, 77 FR 37829
- Comments due: August 9, 2012
- Became: [AD 2012-19-02](https://openairdocs.org/ad/2012-19-02)
- Docket: FAA-2012-0671 (https://www.regulations.gov/docket/FAA-2012-0671, where comments are filed)
- Project: 2011-NM-096-AD
- FR document: 2012-15461
- Official PDF: https://openairdocs.org/files/sha256/93/80/9380f2a82c20e471bd21e3af5247505330a60c2ed54f2625e5c96109d44aa879 (from https://www.govinfo.gov/content/pkg/FR-2012-06-25/pdf/2012-15461.pdf)
- Federal Register: https://www.federalregister.gov/documents/2012/06/25/2012-15461/airworthiness-directives-airbus-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B8306AE3776343F86257A280065A44B.0001
- Page: https://openairdocs.org/proposed/FAA-2012-0671

## Summary

We propose to supersede an existing airworthiness directive (AD) that applies to certain Airbus Model A330-243, -341, -342 and -343 airplanes. The existing AD currently requires modifying certain cowl assemblies of the left- and right-hand thrust reversers. Since we issued that AD, the manufacturer has issued new life limits on certain thrust reverser C-duct assemblies. This proposed AD would require removing certain C-duct assemblies of the left- and right-hand thrust reversers from service at certain designated life limits, and would also add airplanes to the applicability. We are proposing this AD to prevent fatigue cracking of the hinges integrated into the 12 o'clock beam of the thrust reversers, which could result in separation of a thrust reverser from the airplane, and consequent reduced controllability of the airplane.

## Notices in this docket

- Jun 25, 2012: Notice of proposed rulemaking (NPRM). (first notice), FR document 2012-15461, comments due Aug 9, 2012 (https://www.federalregister.gov/documents/2012/06/25/2012-15461/airworthiness-directives-airbus-airplanes)

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