After getting diagnosed with a rare disorder that will prevent her from ever flying, Scootaloo falls into depression. 
Will Rainbow Dash be able to save Scootaloo before its too late?
Flightless without hope by EchoApple

link to story: http://www.fimfiction.net/story/324934/flightless-without-hope

music is by Myuuji: https://www.youtube.com/channel/UCiSKnkKCKAQVxMUWpZQobuQ