A video showing screws coming loose on a plane that was in mid-air has been doing the rounds on social media.
In the video, you see one passenger point their camera out the window and zoom in on the left wing of the plane which has three screw shaking free.
The flight is performed by a TAAG Angola Airlines Boeing 737-700.
TAAG Angola Airlines is a state-owned airline and flag carrier of Angola.
Based in Luanda, the airline operates domestic services within Angola, medium-haul services in Africa and long-haul services to Brazil, Cuba, and Portugal.