RedactedNarrative: WHILE V1 WAS UNDERWAY, BOTH EXHAUST BOOTS MELTED DOWN CAUSING V1 TO START TAKING ON WATER.  UNKNOWN AS TO WHAT EQUIPMENT WAS FAULTY TO CAUSE EXHAUST BOOTS TO MELT. V1 WAS TOWED.  PFDS WERE ON V1, NO INJURIES AND ALCOHOL WAS NOT A FACTOR.