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Airworthiness directives › 2012-16-11

AD 2012-16-11 Airworthiness Directives; Airbus Airplanes

2012-09-21
2012-08-17
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Airframe
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Models named: A318-112, -121, A319-111, -112, -115, -132, -133, A320-214, -232, -233. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Airbus Model A318-112 and -121 airplanes; Model A319-111, -112, -115, -132, and -133 airplanes; Model A320-214, -232, and -233 airplanes; and Model A321-211, -212, -213, and -231 airplanes; certificated in any category; serial numbers 3359, 3361, 3362, 3365, 3366, 3368, 3370 through 3508 inclusive, 3510 through 3519 inclusive, 3522, 3523, 3525, 3527, 3529, 3530, 3533, 3534, 3537, 3539, 3542, 3544, 3546, 3548, 3552, and 3555.

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 the compliance times specified in paragraph (g)(1) or (g)(2) of this AD, whichever occurs later: Do a detailed inspection of the fuel tank areas of the wings to determine if nuts with part number (P/N) ASNA2531-4 are installed or cracked, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A320-57-1153, Revision 02, including Appendices 01, 02, and 03, dated April 6, 2012. Before further flight, replace any missing or cracked nut with P/N ASNA2531-4 with a new P/N ASNA2531-4 nut, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A320-57-1153, Revision 02, including Appendices 01, 02, and 03, dated April 6, 2012. (1) Within 6 years after the first flight of the airplane. (2) Within 6 years after the most recent scheduled fuel tank inspection, or within 6 months after the effective date of this AD, whichever occurs later.

Unsafe condition

This AD was prompted by reports that some nuts installed on the wing, including on primary structural elements, were found cracked. We are issuing this AD to detect and correct missing and cracked nuts, which could result in the structural integrity of the airplane wings being impaired.

Affected ADs

None.

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