Airworthiness directives › 2017-23-04
AD 2017-23-04 Airworthiness Directives; Airbus Airplanes
Models named: A300 B4-605R, B4-622R, B4-603, C4-605R Variant F, B4-620, B4-622, F4-605R, A300 F4-605R. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Airbus Model A300 B4-605R, B4-622R, B4-603, C4-605R Variant F, B4-620, B4-622, and F4-605R airplanes, certificated in any category, all serial numbers except Model A300 F4-605R airplanes that have embodied Airbus modification 12699 in production.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purposes of this AD, the definitions in paragraphs (g)(1) through (g)(5) of this AD apply. (1) Group 1 airplanes are defined as Airbus Model A300 B4-603, B4-605R, B4-620, B4-622, and B4-622R airplanes. (2) Group 2 airplanes are defined as Airbus Model A300 C4-605R Variant F and F4-605R (if in pre-modification 12699 configuration) airplanes. (3) Short range (SR) is defined as airplanes with an average flight time of less than 1.5 flight hours per flight cycle. (4) Long range (LR) is defined as airplanes with an average flight time equal to or higher than 1.5 flight hours per flight cycle. (5) For determining the “short range” and “long range” airplanes, the average flight time is the total accumulated flight hours, counted from take-off to touch-down, divided by the total accumulated flight cycles at the effective date of this AD.
Unsafe condition
This AD was prompted by a determination that the top stringer joints at rib 18 are an area of uniform stress distribution, which indicates that cracks may develop in adjacent stringers at the same time. We are issuing this AD to detect and correct damage (including cracking) at the stringer joints, which could reduce the structural integrity of the wing.
Affected ADs
None.
Read the original on the Federal Register →
You just looked this one up by hand
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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