(CNN) -- A JetBlue Airways flight departing from Luis Munoz Marin International Airport in San Juan, Puerto Rico, was evacuated Saturday evening after one of its engines caught fire, according to a Federal Aviation Administration statement.
"Passengers and crew used emergency slides to evacuate the aircraft," the statement read.
JetBlue spokesperson Gina Recine told CNN there were no known injuries among the 186 passengers and six crew members on board.
JetBlue Airways Flight 704 was headed to John F. Kennedy International Airport in New York City.
According to Recine, the plane was taxing on the runway for takeoff when problems developed 7:15 p.m. ET.
Recine could not elaborate on the nature of the mechanical issue.
The FAA said it will investigate the incident.
CNN's Janet DiGiacomo and Laura Koran contributed to this story.
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