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Airworthiness directives › 2018-20-02

AD 2018-20-02 Airworthiness Directives; Airbus SAS Airplanes

2018-11-02
2018-09-28
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Airframe
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Models named: A320-211, Model A320-231. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Airbus SAS Model A320-211 and Model A320-231 airplanes, certificated in any category, serial numbers 0029, 0045, 0046, 0049 through 0057 inclusive, 0059, 0064, and 0065.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

This paragraph restates the requirements of paragraph (a) of AD 98-18-24, with no changes. For Model A320 series airplanes on which Airbus Modification 21778 (reference Airbus Service Bulletin A320-53-1072, dated November 7, 1995, as revised by Change Notice 0A, dated July 5, 1996) has not been accomplished: Prior to the accumulation of 20,000 total flight cycles, or within 1 year after October 20, 1998 (the effective date of AD 98-18-24), whichever occurs later: Perform a rotating probe eddy current inspection to detect cracking around the edges of the gusset plate attachment holes of the inner flange of door frame 66, left and right, at stringer positions P18, P20, and P22, in accordance with Airbus Service Bulletin A320-53-1071, dated November 7, 1995, as revised by Change Notice 0A, dated July 5, 1996. If any crack is detected, prior to further flight, repair in accordance with a method approved by the Manager, International Section, Transport Standards Branch, FAA. Repeat the inspection thereafter at intervals not to exceed 20,000 flight cycles.

Unsafe condition

This AD was prompted by a report of cracks on the inner flange of door frame 66 at stringer positions 18 and 20, and by the results of a full scale fatigue test that indicated the intervals for the repetitive inspections required by AD 98-18-24 must be reduced. We are issuing this AD to address fatigue cracking in the inner flange of door frame 66, which could result in reduced structural integrity of the airplane.

Affected ADs

This AD replaces AD 98-18-24, Amendment 39-10740 (63 FR 49272, September 15, 1998) (“AD 98-18-24”).

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