Actually, don't report him, please. You're making admins have more work then they usally do, and may be some other players can't be helped because of your reports.
He didn't glitch nor buged anything, I tried it out myself: the amount of hours will stay. But the circumstances that you tried to get a reward for it asking the second Graphics head while you knew they probably didn't know you never did hold a tower for an hour at all, you tried to take adventages by this. You should be banned for a week or more in my point of view, because "game disruption" of course.
Also, the real leader should get back his (Voyage), he lost it due a bug, which isn't his fault at all.