You will need to write a Plan of Action, in which you tell Amazon, what you have done to address the issue and how will you prevent this happening again.
The appeal shouldn’t focus on specific orders but talk about the issue in general.
Here is an example POA for a suspension due to the Late Shipment Rate exceeding the 4% target, which already helped multiple sellers get reinstated.
You can write a similar one based on it and then post it here for feedback.
Don’t copy entire sentences but use your own words: