# Proposed AD FAA-2012-0111: Airbus Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2013-07-03
- Products: Airbus
- Product type: Aircraft
- Action: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period.
- Published: September 7, 2012, 77 FR 55163
- Comments due: October 22, 2012
- Became: [AD 2013-07-03](https://openairdocs.org/ad/2013-07-03)
- Docket: FAA-2012-0111 (https://www.regulations.gov/docket/FAA-2012-0111, where comments are filed)
- Project: 2011-NM-089-AD
- FR document: 2012-22063
- Official PDF: https://openairdocs.org/files/sha256/01/be/01be5cc1dbfb95f6d08f09b8d3fa9ecc9505d9c170ddc8988a3fe622686e648c (from https://www.govinfo.gov/content/pkg/FR-2012-09-07/pdf/2012-22063.pdf)
- Federal Register: https://www.federalregister.gov/documents/2012/09/07/2012-22063/airworthiness-directives-airbus-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C7A8B572C298C26986257A72004594BC.0001
- Page: https://openairdocs.org/proposed/FAA-2012-0111

## Summary

We are revising an earlier proposed airworthiness directive (AD) for certain Airbus Model A330-200, A330-300, A340-200, and A340- 300 series airplanes; and Model A340-541 airplanes and Model A340-642 airplanes. That NPRM proposed to require performing a detailed inspection for degradation of the bogie pivot pins and for any cracks and damage of the pivot pin bushes of the main and central landing gear; a magnetic particle inspection of the affected bogie pivot pins for corrosion and base metal cracks; and repairing or replacing bogie pivot pins and pivot pin bushes, if necessary. That NPRM was prompted by reports of cracks in the bogie pivot pin caused by material heating due to friction between the bogie pivot pin and bush, leading to chrome detachment and chrome dragging on the bogie pivot pin. This action revises that NPRM by adding repetitive inspections and expanding the applicability. We are proposing this AD to detect and correct cracks and damage to the main and central landing gear, which could result in the collapse of the landing gear and adversely affect the airplane's continued safe flight and landing. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes.

## Notices in this docket

- Feb 10, 2012: Notice of proposed rulemaking (NPRM). (first notice), FR document 2012-3105, comments due Mar 26, 2012 (https://www.federalregister.gov/documents/2012/02/10/2012-3105/airworthiness-directives-airbus-airplanes)
- Sep 7, 2012: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period., FR document 2012-22063, comments due Oct 22, 2012 (https://www.federalregister.gov/documents/2012/09/07/2012-22063/airworthiness-directives-airbus-airplanes)

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