Are folks still having this problem? I just tried this and was able to download the Free Drop.
Ex-PlayStation Network Senior Community Manager
Sony Interactive Entertainment America
Go to playstation store and on the first page go to the Magnifying Glass and hit X
This opens up the search
Set the drop down box to say all ... in the second part where you can type enter the following
Modern Warfare 3 Terminal
Only reason it wasn't available was because Activision made it available for Elite members early, then after a day they made it available to all.