What does it mean when your orders get amended?

Read the amended orders and it will say what is amended

As a side note, I recommend you start prepping your defense for the QMP

If you're flagged for alcohol related reasons (i.e., Flag code A), then you're prohibited (except in a few cases) of being reassigned until the flag is lifted. Suggest you read up on AR 600-8-2* (especially paragraphs 2-8 and 3-1) and become familiar with the impacts the flag will cause you.

CSM Darieus ZaGara, MSG (Join to see), and SFC (Join to see) all have great comments regarding this - In addition to the amendment, there are long reaching effects you'll have to consider.
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* https://armypubs.army.mil/epubs/DR_pubs/DR_a/ARN30769-AR_600-8-2-000-WEB-1.pdf