ADSB SDA 100% Fail

When I did the FAA ADSB test I got a 100% SDA fail. Anyone know what I need to do/fix? I installed a Bendix King KT 74 transponder several years ago. Thanks

Comments

  • Hi Walt,
    Have you taken it to an avionics shop? That's probably what you need to do.

    Scott Sherer
    Wright Brothers Master Pilot, FAA Commercial Pilot
    Aviation Director, Piper Owner Society Forum Moderator and Pipers Author.

    Need help? Let me know!

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