The Metropolitan Police said the body was that of a man who was not a member of the jumbo jet's crew or a passenger on the flight.
Police were called at approximately 6.25am on Thursday August 23 to an incoming flight at Heathrow Airport following the discovery of a man's body.
Officers and London Ambulance Service attended. The man was pronounced dead at 7.07am.
The death is being treated as non-suspicious. Inquiries are ongoing to establish the man's identity.
More top news
Millions of people have observed a minute's silence in memory of the victims of the Tunisian terror attack.
The Duke and Duchess of Cambridge have submitted a planning application to have a new tennis court built at their Norfolk home.
Judge Mindy Glazer was not expecting to be reunited with "the nicest kid in middle school" when Arthur Booth appeared in her court.