Dragonlord [1] filed a deletion request for nzb [2]:
Last release November 4th, 2012 / seems not to compile anymore.
[1] https://aur.archlinux.org/account/Dragonlord/ [2] https://aur.archlinux.org/pkgbase/nzb/
Request #14599 has been accepted by polyzen [1].
aur-requests@lists.archlinux.org