Indeed, the only common issue we have on BGA rework is bridged balls. If it's on the edge and it's a larger BGA, we can often wick it out with desoldering braid

Indeed, the only common issue we have on BGA rework is bridged balls. If it's on the edge and it's a larger BGA, we can often wick it out with desoldering braid, cut up some fine solder wire, push it under, and "reball" it in-place. If it's on an inner row you're removing the BGA.