Having real trouble with multiple edge blend

Getting errors on my mirror border (see pic)
Any tips realy appreciated.

Thank you

visor edge blend.3dm (1.9 MB)

Tried Blending and filleting to no avail.
The outer section works fine and I used a patch for that too, so its not that. I dont understand why im getting problems with the inner section. If I join it together (un mirror) I get problems at dirrerent points when it tries to be continuous.

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The problem appears to be with the short trimmed surfaces. Once they are reworked as untrimmed surfaces the fillets take just fine.


AH THANK YOU!!! Thats such a help.