airworthiness · Rule · Final rule. · Published 2014-04-16 · Effective 2014-05-21 · 79 FR 21392
Document
Document number
2014-08455
Federal Register citation
79 FR 21392
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Airbus
Publication date
2014-04-16
Effective date
2014-05-21
FAA docket
Docket No. FAA-2013-0668
Abstract
We are adopting a new airworthiness directive (AD) for certain Airbus Model A300 B4-600 and A300 B4-600R series airplanes. This AD was prompted by reports of cracks found in certain bottom wing skin stringers during full-scale fatigue testing and in service. This AD requires modifying the profile of stringer run-outs of both wings, including a high frequency eddy current inspection of the fastener holes for defects and, if necessary, repairs. We are issuing this AD to prevent cracking in the bottom wing skin stringers, which could result in reduced structural integrity of the wings.