Global scrips are not firing on one queue... any suggestions?

I have a series of different queues on my system and just one of them isn’t firing its scrips. All the scrips are defined globally, none at all at the per-queue level. If I compare the list of ‘Scrips which apply to all queues’ they are identical. Both queues seem identical in all other respects…

Any suggestions where or how to start looking? This is RT 3.4.1.

Thanks.

Kris Boutilier
Information Services Coordinator
Sunshine Coast Regional District