The FBI is investigating the death of a woman who allegedly plunged from her room’s balcony onto the deck below while aboard a Carnival cruise ship near Catalina Island. The passenger was aboard the Carnival ship Firenze when the alleged incident happened early Monday morning. Later that day, FBI agents appeared on the ship to investigate the matter.   FBI agents are investigating the death of a woman about the Carnival ship Firenze. The alleged incident happened early Monday about the massive Firenze. Carnival “The FBI responded to the ship when it docked in Catalina Island on Monday and is investigating an incident on board which resulted in death,” said FBI spokeswoman Lourdes Arocho. “More specific details are not being provided at this time as the investigation is ongoing,” Arocho added. Sign up for the California Morning Report newsletter California's top news, sports and entertainment delivered to your inbox every day. Thanks for signing up!…