We did a sleep aboard this past trip on a Marinemax 443. It was our first time skippering a catamaran, let alone a power boat, so we planned to do a friendly skipper in the morning at 8 am.

The AC was not blowing cool enough to keep the boat under 75F. We hemmed and hawed about just dealing with it for a week while they worked all morning to fix it. Eventually it was Marinemax that suggested we push off with the friendly skipper as they were currently cleaning another 443 that had just come in that morning and they'd bring it out to Cooper for us and we'd swap while the boats were rafted up. Was it a pain to move everything over - our unpacked luggage, food, dive gear, ect ect? Yes. Did they send 3 guys on the new boat to help us? Yes! Was it totally worth it? YES!

That's the most significant issue we've had. It's always been the generator or AC but they've always been able to fix it without returning to the charter base or swapping boats.