BGA package with three potentially defected balls highlighted with red circles.
https://assets.chaos.social/media_attachments/files/114/634/443/995/299/216/original/65bfe99204414937.png
@whitequark decent job!
spotted a couple that might need some extra attention. the far left and right ones are probably ok (low solder quantity), but that middle one looks like it has an extra solder ball stuck to it and you might get a short.
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