How does FCPX handle audio?

Still working on getting audio exported to an AAF, and having problem doing this. So I need help understanding how FCPX is handling my audio.
When it's on the timeline, is it being conformed to the frame rate of the video?
When audio is exported, does FCPX force it to conform to the video frame rate in the project settings, audio properties, or both? Or does it allow the audio to export at whatever rate the original media is at?
I export an XML from FCPX, then open that with X2Pro and it makes an AAF file, but a report tells me that "Conform rates are not supported. The Conform rate at 01:04:49.23 has been ignored." So when I go to that timecode, all I see is video at 24p and a detached audio piece at 23.98. Why are these different? How would I fix?

FINALLY! Thank you God, this issue is resolved. Here's what I learned and had to do in case anyone else may be wrestling with this issue.
Apparently, FCPX handles audio like this:
• Adjusts varying frame rates to match the project property, e.g. if you drop footage that is 24, 30, and 60 all on a 24p timeline, FCPX makes them fit into 24p, it does not tell you or show you this, it just does it automatically
• It may handle detached audio a little differently. For instance, I had a 24p timeline, and there were 39 detached audio clips that were 23.98 because they were not attached to any video, so I had to reimport and sync, see the workaround below.
The X2Pro, program to convert FCPXML to AAF, spits out a report showing where all the conform errors were, 39 total, but still required calculating where exactly it was because it didn't identify precisely by frames. Once the offending detached audio clip was located, I then Expanded the Audio Components to see both the original and synchronized audio. Next I had to go find the external audio that had been synced, then do a replace edit on the old synchronized clip. This made the audio's video frame rate 24 and took away the conform errors! Then I had to sync up the new detached audio clip manually with the video clips above it.
Also, to get out to an AAF with X2Pro, it does not support retiming, so I had to strip out 22 instances of retiming.
Whew, glad that's all over! Hopefully this AAF will be pristine for my audio post supervisor to bring into ProTools!
Thank you all for your help and input along the way!

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