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
The US rapper was killed in a drive-by attack in 1996 at the age of just 25.
Innocent Betty Laird, 88, died after the car she was travelling in was deliberately crashed into to make fraudulent insurance claims.
At least one person has died in the crash after the plane came down in the city of Riverside shortly after take off.