The "lifeless body" of a stowaway has been found in the landing gear compartment of a plane at the main international airport in France's capital Paris, Air France has said.
The plane, flight AF703, had come from Ivory Coast's main city, Abidjan, it added in a statement.
An investigation was under way, Air France said.
The body was that of a child aged around 10, AFP news agency quotes an unnamed source close to the investigation as saying.