March 20, 2013 -- Updated 1502 GMT (2302 HKT) Carnival cruise ship problems March 16, 2013 -- Updated 1437 GMT (2237 HKT) Within the span of a month, four Carnival ships have reported problems. March 15, 2013 -- Updated 0022 GMT (0822 HKT) Carnival will fly all passengers on the Carnival Dream back to Florida after the ship suffered a generator failure while docked in the Caribbean. February 18, 2013 -- Updated 0210 GMT (1010 HKT) The crew aboard Carnival Triumph didn't hesitate when a fire broke out and power was lost, an emergency that turned the cruise liner into a bobbing Porta-Potty. February 16, 2013 -- Updated 1453 GMT (2253 HKT) A floating toilet, a floating Petri dish, a floating hell. That was how a Texas woman described the Triumph in a lawsuit filed Friday against Carnival Cruise Lines. February 16, 2013 -- Updated 1456 GMT (2256 HKT) Before the thousands of passengers and crew of the snakebit Carnival Triumph debarked Friday, an investigation into what went wrong had already begun. February 15, 2013 -- Updated 0257 GMT (1057 HKT) CNN's Erin Burnett takes a look at the events in the Carnival cruise ship Triumph's attempts to return to port. February 15, 2013 -- Updated 1249 GMT (2049 HKT) It was Sunday that a fire broke out in the engine room on the Carnival Triumph, leaving it adrift in the Gulf of Mexico. February 14, 2013 -- Updated 2200 GMT (0600 HKT) Passengers aboard the cruise ship Triumph spell out "help" with their bodies. February 15, 2013 -- Updated 1252 GMT (2052 HKT) The last few years have seen a rash of engine fires aboard cruise ships -- many of which have led to an almost total loss of electrical power. February 15, 2013 -- Updated 2218 GMT (0618 HKT) As three tugboats towed the disabled Carnival cruise ship Triumph back to port in Mobile, Alabama, things went from bad to worse. February 15, 2013 -- Updated 1352 GMT (2152 HKT) Days of sipping umbrella drinks have given way to the stench of backed-up sewage, stuffy cabins without power and limited food. The Carnival Triumph engine fire shows that the best-laid cruise plans can veer terribly off course. Some passengers may be in the mood to sue over their Carnival cruise experience.