THIS IS A GLOBAL PROBLEM. In the first lesson, we are going to cover a guidance issued by the U.S. DOT FAA for Eligibility, Quality, and Identification of Aeronautical Replacement Parts. How can we identify a suspected unapproved part if we do not first understand what type of documentation is required and who is authorized to authorize a part, material, or article as airworthy? In the second lesson, we will dive into identifying suspected unapproved and counterfeit parts.