Observation: 2001 Roof Paint lifting bubbles?

I was washing my 2001 Trans Am this afternoon and noticed something new.
In the small roof area behind the T-tops, there seems to be paint
chipping off in small bubble like areas, as if there were welds or rivets under the paint. There are about 7 of them, all showing silver underneath.
Anyone have this problem?
Thanks, Edd
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