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08-06-2016, 01:45 PM
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Join Date: Aug 2005
Location: Virginia Beach, VA
Posts: 474
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Garmin 300XL failed
I was curious if anybody has any failure history on the 300XL. The reason I?m asking is that I purchased a used unit (individual on Barnstormers) with an 8130 certificate and after installation the unit was working well (radio and GPS), but after less than 10 hours of use, while the radio was on and just being monitored, an audible pop was heard, the unit failed and a brief/faint acrid smell was present. I?ve checked the connectors (after removing the unit from the tray) and power is still present and the remaining pins indicate as expected as far as grounds. Whatever occurred seems to be in the unit itself. I am going to take it to our local avionics shop Monday and was just checking to see if anybody might have any useful information or ideas regarding the failure. 
__________________
Tim Ribble
Virginia Beach
RV-6A (only took 13 years to build  )
N621TR In unrestricted operation 
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08-06-2016, 01:51 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Quote:
Originally Posted by trib
I was curious if anybody has any failure history on the 300XL. The reason I?m asking is that I purchased a used unit (individual on Barnstormers) with an 8130 certificate and after installation the unit was working well (radio and GPS), but after less than 10 hours of use, while the radio was on and just being monitored, an audible pop was heard, the unit failed and a brief/faint acrid smell was present. I?ve checked the connectors (after removing the unit from the tray) and power is still present and the remaining pins indicate as expected as far as grounds. Whatever occurred seems to be in the unit itself. I am going to take it to our local avionics shop Monday and was just checking to see if anybody might have any useful information or ideas regarding the failure. |
It sounds (and smells.. ..) like an electrolytic capacitor failed.
If that is the case, and it is the only failure, your local shop should be able to fix it fairly cheaply.
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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08-06-2016, 03:36 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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What Gil said.
Those caps can fail just from old age especially if they are not used often....
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08-06-2016, 05:03 PM
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Join Date: Aug 2005
Location: Virginia Beach, VA
Posts: 474
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That would be cool. I was really happy with the setup and spent a lot of time to install the 300XL with a PS engineering radio/audio panel to have two radios and the GPS. You guys have given me some hope!
__________________
Tim Ribble
Virginia Beach
RV-6A (only took 13 years to build )
N621TR In unrestricted operation
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08-06-2016, 06:53 PM
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Join Date: May 2005
Location: Savannah, GA
Posts: 1,301
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I think I've got one in the hangar, but don't know when it was last used. It's available.
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RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up
2020 dues slightly overpaid
Retired - "They used to pay me to be good, now I'm good for nothing."
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