The Brother AZ17 sewing machine is suitable for alterations to jeans. Here are some key reasons why:

- Type of sewing machine: This is a free-arm sewing machine, which makes it easy to work on garments such as trousers.
- Sewing machine functions: It is equipped with sewing functions that allow repairs and alterations to be made, even on thick fabrics such as denim.
- Features: The machine is electromechanical, with a foot and threading aid, making sewing tasks easier and more precise.

These features make it ideal for everyday sewing tasks, including trouser alterations.