Random Audio Spikes

For the life of me I cant figure out what is going on. I have 6 audio tracks; 2 for narative and 4 for soundtrack. There are a few spots where the narrative is broken up with b-roll covering, in these spots the soundtrack raises in level and then drops when the narrative track starts again. It does this every time there is a break in the narrative track. I tried putting some ambient noise tracks behind the narrative, but the soundtrack still spikes. Anyone have any ideas at all??? Thank you for your help.

No I definately understand your suggestions, and I did try them. It is still doing the same thing. I have checked the balances, isolated the tracks, did an audio mixdown, tried putting in abient sound, extended the narrative track so there was no break in it, re-imported the audio file, checked it was an aiff file, scrubbed it, I cant think of anything else. I guess my next step unless anyone can think of something else is to re-install fcp and see if that works. Thank you for your suggestions though, it was very appreciated.

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Random Audio Spikes

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