I'm very happy that your a/c problem has been solved.
YC Director Phil.....I'll keep that in mind for when we go.
I mentioned that we once had a similar problem on a HAL cruise. It was extremely hot in our cabin. We went to our Cruise Critic Meet and Greet and luckily the Hotel Director was there. I was in a really cranky mood after a night of no sleep. He, too, whipped out his phone and by the time the meeting was over and we were back to our cabin, the room was nice and cool. We also received a bottle of wine and an invite to the most cruised HAL cocktail party for "our trouble" even though it was our first HAL cruise.
So I was going to suggest the Hotel Director to you if you were still suffering today.
Thank you so much for getting back to me. Enjoy the rest of your cruise!😀