The assessment of existing repairs on in-service aircraft, i.e., the determination of necessary inspection threshold and intervals, and/or time of modification or replacement for each repair, is discussed. Static aspects as well as fatigue and damage tolerance aspects are considered. A new methodology which includes guidance material allowing operators to assess the repairs without both complex calculation and support from the manufacturer is reviewed. For example, wing repairs cannot be generalized. The methodology is limited to the fuselage and vertical tail and comprises the following subjects: skin and longitudinal lap joint repairs; circumferential joint repairs; door skin repairs; repairs of door surrounding frames; repairs around door cut outs; repairs of vertical tail skin. As an example, the basic features of the method used for assessing skin and lap joint repairs are described.
Methodology for Assessment of Skin Repairs on Airbus Aircraft
1991
2 pages
Report
No indication
English
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