F50 Troubleshooting, F900 Troubleshooting Why do I have SPEED BRAKE FAULT light on the side pedestal in my Falcon 900/ 900EX/ 50 / 50EX with aftermarket winglets? November 3, 2020 Todd's Time Page 23. learn to do the self test winglet-AMM-Supplement (2)_250107_191647 Aviation Partners