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Ouch! (not so much) New AD on Trig 31 AXP 340, Avidon, and King 74 Transponder

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Just received this AD. Looks like you have to replace your transponder if it fails inspection. It is not clear if local avionics shops can do the inspection or if you have to send to an authorized service center for these models.
 

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  • 2019-13-03.pdf
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