本文件提供了民用运输机上使用的复合材料结构（包括金属粘接）的设计、应用、维修和检查的背景信息。本文件的目的是帮助检查员了解飞机上的复合材料和金属粘合零件的预期位置，了解当前NDT方法的能力，并帮助解释检查结果。本文件不包含检查程序。它旨在提供信息，不应单独使用，也就是说，它不会覆盖制造商或运营商发布的文件中可能发布的任何说明

This document provides background information on the design, application, repair and inspection of composite structures, including metal bonding, used on civil transport aircraft. The objective of this document is to assist inspectors to know where to expect composite and metal bonded parts on the aircraft, to understand the capabilities of current NDT methods and to aid interpretation of inspection results.This document does not contain inspection procedures. It is intended to be informative and should not be used singularly, that is, it does not override any instructions that may be issued within a manufacturer's or operator's published documentation