I have to agree with slasher , following a smoke / fire event of electrical origin one has to consider if the electrical cabling to that particular unit or other cables in the same loom were heat damaged from a short circuit thereby degrading the insulation. The potential for another inflight event without thoroughly inspecting all the cabling is significantly greater.
There are a number of un answered questions surrounding this event that still have to come out
What ever the outcome of the legal action I’m sure she would only have taken this action if she felt she had a case