If you have at least 4 years of experience, you should be able to get in with no problem. They will ask you a few questions about your past experience, then they are going to give you a practical test. After that, it's the medical and background check.
About your experience.
The following metrics were computed from 8 interview experiences for the American Airlines Aircraft Maintenance Technician role in United States.
American Airlines's interview process for their Aircraft Maintenance Technician roles in the United States is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for American Airlines's Aircraft Maintenance Technician interview process in United States.