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Comm 1 Failure

Posted: Thu Jul 16, 2020 9:35 pm
by Charbie
It would receive but not transmit. Avionics shop switched comm radios. Checked Antenna and connections, next is to send it out to Garmin for repair. I'm wondering if anyone has any ideas before I commit to the $2000 service.
Is this the going rate to send to Garmin for repair and return same unit?
Any advice is appreciated.

Re: Comm 1 Failure

Posted: Thu Jul 16, 2020 10:03 pm
by CFIDave
When you send your unit into Garmin for flat-rate repair, they immediately send you someone else's already-repaired unit to reduce the time that your aircraft is out of service. With G1000 LRUs, you might get back a unit originally from a Mustang Jet, a C172, or something in between -- loaded software will customize the LRU for use in your DA40.

Re: Comm 1 Failure

Posted: Mon Jul 20, 2020 3:37 am
by Davestation
The flat rate exchange is something like $1400.

Are you saying that when they swapped the GIAs the problem followed it?

Re: Comm 1 Failure

Posted: Mon Jul 20, 2020 10:20 am
by Charbie
Correct. I'm being quoted $1900.

Re: Comm 1 Failure

Posted: Mon Jul 27, 2020 10:59 pm
by shoffert
Will it work from either seat? If only one seat won't transmit, it could be the PTT switch.

Re: Comm 1 Failure

Posted: Tue Jul 28, 2020 12:13 am
by Rich
shoffert wrote: Mon Jul 27, 2020 10:59 pm Will it work from either seat? If only one seat won't transmit, it could be the PTT switch.
Of course, if comm 2 works, PTT isn't the problem. And since you say you switched comm units, I presume that rules out the audio panel and the usual deal of re-seating the unit.