Topic-icon ATA 23-51, Oxygen Mask Microphone

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1 week 22 minutes ago - 1 week 20 minutes ago #733 by Mark D Francis
A/C just out of "C" check. Both mask mics inop.

After some digging, found wires one and two swapped at back of stowage box plugs.

This reverse bias's the microphone and it will not work.






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Last edit: 1 week 20 minutes ago by Mark D Francis.

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