Airworthiness Directive · Amendment 39-17019 · Wings
Airbus Airplanes
Superseded. A later AD replaced this one: AD 2015-02-24. Comply with the one in force.
This AD applies to airplanes, certified in any category, as specified in paragraphs (c)(1), (c)(2), and (c)(3) of this AD.
(1) Airbus Model A300 B4-2C, B4-103, and B4-203 airplanes; all serial numbers; except airplanes where the main landing gear (MLG) rib 5 forward lugs of the left-hand (LH) and right-hand (RH) wings have been repaired by installation of oversized interference fit bushes specified in Airbus Repair Instruction R57240221, or those where the LH and RH wings have had Airbus Mandatory Service Bulletin A300-57-0249 embodied in service.
(2) Airbus Model A300 B4-601, B4-603, B4-620, and B4-622 airplanes; Airbus Model A300 B4-605R and B4-622R airplanes; Airbus Model A300 F4-605R and F4-622R airplanes; and Airbus Model A300 C4-605R Variant F airplanes; all serial numbers; except airplanes where the MLG rib 5 forward lugs of the LH and RH wing have been repaired by installation of oversized interference fit bushes specified in Airbus Repair Instruction R57240221, or those where the LH and RH wing have had Airbus Service Bulletin A300-57-6106 embodied in service.
(3) Airbus Model A310-203, -204, -221, -222, -304, -322, -324, and -325 airplanes; all serial numbers; except airplanes where the MLG rib 5 forward lugs of the LH and RH wing have been repaired by installation of oversized interference fit bushes specified in Airbus Repair Instruction R57249121, or those where the LH and RH wing have had Airbus Mandatory Service Bulletin A310-57-2090 embodied in service.
We are adopting a new airworthiness directive (AD) 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. This AD was prompted by reports of cracking in the forward lug wing of the aft bearing at rib 5 of the main landing gear (MLG). This AD requires installing new bushes with increased interference fit in the forward lug wing of the aft bearing at rib 5 of the MLG on the right-hand (RH) and left-hand (LH) wing. We are issuing this AD to prevent cracking of the forward lug wing of the aft bearing at rib 5 of the MLG, which could adversely affect the structural integrity of the MLG attachment, and could result in the collapse of the MLG.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 30 months after the effective date of this AD, install new bushes with increased interference fit in the gear rib 5 aft bearing forward lug on the RH and LH wing, in accordance with the Accomplishment Instructions of the applicable service bulletin specified in paragraph (g)(1), (g)(2), or (g)(3) of this AD; except as specified in paragraph (h) of this AD.
(1) Airbus Mandatory Service Bulletin A300-57-0249, Revision 03, dated January 18, 2012 (for Model A300 B4-2C, B4-103, and B4-203 airplanes).
(2) Airbus Mandatory Service Bulletin A300-57-6106, Revision 03, dated January 26, 2012 (for Model A300-600 series airplanes).
(3) Airbus Mandatory Service Bulletin A310-57-2090, Revision 03, dated January 23, 2012 (for Model A310 series airplanes).
If one wing had rib 5 forward lugs of the MLG repaired by installing oversized interference fit bushes as specified in Airbus Repair Instruction R57240221 or Airbus Repair Instruction R57249121, as applicable to the airplane model, then installing new bushes with increased interference fit in the aft bearing forward lug of the gear rib, as specified in paragraph (g) of this AD, is required for the opposite wing only.
Installation of new bushes, as specified in paragraph (g) of this AD, is terminating action for the repetitive inspections required by AD 2007-03-18, Amendment 39-14929 (72 FR 5919, February 8, 2007); and AD 2008-17-02, Amendment 39-15640 (73 FR 47032, dated August 13, 2008).
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
