# Proposed AD FAA-2014-0142: Airbus Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2015-02-24
- Products: Airbus
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: March 12, 2014, 79 FR 13938
- Comments due: April 28, 2014
- Became: [AD 2015-02-24](https://openairdocs.org/ad/2015-02-24)
- Docket: FAA-2014-0142 (https://www.regulations.gov/docket/FAA-2014-0142, where comments are filed)
- Project: 2012-NM-161-AD
- FR document: 2014-05435
- Official PDF: https://openairdocs.org/files/sha256/7a/70/7a70ce25cf803287ba7179eff430643141ebbcd00bfc69f3fd7752adc68b1f79 (from https://www.govinfo.gov/content/pkg/FR-2014-03-12/pdf/2014-05435.pdf)
- Federal Register: https://www.federalregister.gov/documents/2014/03/12/2014-05435/airworthiness-directives-airbus-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F3A3195DBD5C7FB586257C99004EF39B.0001
- Page: https://openairdocs.org/proposed/FAA-2014-0142

## Summary

We propose to supersede Airworthiness Directive (AD) 2008-17- 02, AD 2012-08-03, and AD 2012-15-14, for certain Airbus Model A300 B4- 2C, B4-103, and B4-203 airplanes; Model A300 B4-600, B4-600R, and F4- 600R series airplanes, and Model C4-605R Variant F airplanes (collectively called A300-600 series airplanes); and Model A310 series airplanes. AD 2008-17-02, AD 2012-08-03, and AD 2012-15-14 currently require repetitive inspections of the forward lugs of the aft bearing at rib 5 of the main landing gear (MLG) on the left-hand (LH) and right-hand (RH) wings, and repair if necessary; and installation of new bushes with increased interference fit in the forward lug of the aft bearing at rib 5 of the MLG on the LH and RH wings. Since we issued AD 2008-17-02, AD 2012-08-03, and AD 2012-15-14, we have received two reports of ruptured MLG rib 5 forward lugs that had been modified (bushes with increased interference fit). This proposed AD would add airplanes to the applicability; andwould add, for certain airplanes, repetitive inspections of the MLG rib 5 aft bearing forward lugs, and repair if necessary. We are proposing this AD to detect and correct cracking of the forward lugs of the aft bearing at rib 5 of the MLG on the LH and RH wings, which could affect the structural integrity of the MLG attachment, resulting in possible MLG collapse during landing or rollout.

## Notices in this docket

- Mar 12, 2014: Notice of proposed rulemaking (NPRM). (first notice), FR document 2014-05435, comments due Apr 28, 2014 (https://www.federalregister.gov/documents/2014/03/12/2014-05435/airworthiness-directives-airbus-airplanes)

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