This amateur footage claims to show the British Airways flights being sprayed with a flame retardant after its emergency landing.
ITV News cannot independently confirm its veracity. There is no sound.
Coverings on both engines were left unlatched after maintenance on the BA plane in last week's Heathrow landing drama according to a report.
A BA jet was forced to make an emergency landing after one engine caught fire and the cowling of the other blew-off.