Turns out that the upper deck on some classics has been having trouble. Not really a deal, but thought y'all might find it interesting, especially considering the fact that the AD was issued yesterday:
And to quell the inevitable, no, this does not mean that the 747 is unsafe and/or should be grounded. ADs happen to every aircraft that has ever been built.
It is interesting, however, that they want this inspected once every 25 cycles. Thats pretty often.