Problems Continue for Carnival Cruises

This one, a recurring nightmare at sea. For this third time this year, carnival cruise trips in trouble. Tonight, passengers asking, what's going on? Is this just bad luck or is something amiss in the... See More

This one, a recurring nightmare at sea. For this third time this year, carnival cruise trips in trouble. Tonight, passengers asking, what's going on? Is this just bad luck or is something amiss in the cruise industry? Again tonight, abc's gio benitez. Reporter: It's been a bad week for carnival. 2,000 passengers limping back to tampa because of a technical problem. This as passengers from the dream stranded in st. Martin yesterday with a generator problem arrived home. Saturday, it was the elation, escorted by a tug boat after a steering problem. These latest incidents pale in comparison to the horror passengers went through for eight days on the carnival triumph last month. Overflowing toilets, garbage, passengers sleeping on deck. So, are these incidents discouraging potential cruisers? Well, the dream's next cruise has already been canceled. The townsends were supposed to go on it for their hon gnu momo honeymoon -- I don't think we'd do it any time toon. The cruise city is grow egg at a slower percentage than it was just a few years ago. That may be because first-time cruisers are getting scared off. Reporter: And why is carnival having so many problems? Well, it might be the sheer size of the ships. Just look at the pacific princess, the love boat, built in 1971. It's over 500 feet long. Now look at the carnival dream. Double the size. Taking a ship like that offline costs big money. Others say the problem is in carnival's low-cost model. To minimize the service, you maximize the revenue and you try to keep them moving as fast as possible back out to sea. Reporter: In a statement, carnival says it takes these this week, announced a review of its entire fleet. That was tuesday. There have been two incidents since then.