I've ben told that there was a fire in coal deposit nber 5 since the moment the ship departured from Cherburg.
Could it add some damage to the structure in contact with cold water?.
Picture story in Metro, 3rd October 2002:
£210 million, 113,000-ton British cruise ship P & O Diamond Princess gutted by fire during construction in Nagasaki, Japan, finally put out a day after it started.