By Sean McPolin Passengers on board a cruise ship where two crew members died following an explosion in the engine room have detailed the terrifying ordeal. People onboard the Holland America cruise from Florida to the Bahamas were expecting a luxurious time during the seven-night trip, but quickly turned into a holiday from hell when a fatal blast happened. The 2,100-seat Nieuw Amsterdam had docked at Half Moon Bay in Little San Salvador on Friday when the explosion happened. Just a week earlier it had left Fort Lauderdale. READ MORE: Fatal mountain lion attack kills brother and leaves siblin…