After the flight attendant brings Mac Taylor the first aid kit, he snaps on the gloves and you can see that he tears his right one and it is left hanging. As he inspects the victim in the next scene, the glove is back to normal.
Mac Taylor takes pictures of the body then closes the bathroom door and returns to his seat. Just a couple of minutes later he walks back to the bathroom and the door is wide open.
After the plane lands & as it's entering the hanger you hear engine sounds. Planes are not driven into hangars as its very dangerous as there is no way for pilots to line the vertical stabilizer with the hole in the hanger doors. Passenger jets are pulled/pushed into hangers by airport tugging machines.