Airworthiness directives › 2012-08-03
AD 2012-08-03 Airworthiness Directives; Airbus Airplanes
Models named: A300 B4-2C, B4-103, B4-203, A300 B4-601, B4-603, B4-620, B4-622, A300 B4-605R, B4-622R, A300 F4-605R. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
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.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Required actions
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).
Unsafe condition
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). 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.
Affected ADs
This AD affects AD 2007-03-18, Amendment 39-14929 (72 FR 5919, February 8, 2007); and AD 2008-17-02, Amendment 39-15640 (73 FR 47032, August 13, 2008).
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1