Originally Posted by Mike M
Raw sewage in my cabin and no other cabin to move to would make me invoke the "Cruise Guarantee".
Excessive noise that made it impossible to sleep (though I can usually sleep anywhere) would also be a possible reason.
Otherwise there wouldn't be too much else that would make me invoke it.
Mike, that is what I was thinking. I've been fortunate enough to not experience, but I've read people post about have sewage problems and/or flooding in their cabins. That could be the only reason I would think of.