The 3R:30806619..30854400 release 6 coordinates of the left breakpoint are estimates. The left extent corresponds to the right end of wts, which published results say is not deleted. The right extent corresponds to the right end of tll, which published results say is deleted.
The 3R:32081331 release 6 coordinate for the right end of Df(3R)A113 corresponds to the right end of the 3R genome assembly, because the tip of 3R has been replaced by bands from the Y chromosome.