At last report the plane was 1.5% over the target weight, but since only 25% of the structure has been "frozen", Boeing still has plenty of time to attempt to address it.
And yes, subcontractors are having ramp-up issues, and Boeing is preparing to do some of the work on the first frames themselves at Everett if they need to.
Still, as with many of the sensational headlines used by the world's media to try and portray Airbus' issues worse then they in actuality are, it is much the same with BusinessWeek's "On a wing and a prayer" one.