Trust me, you dont want to see that kind of damage.
This is what I have to deal with daily at work:

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Wouldnt be so bad if it was once in awhile. But its every single day, and just about every time. lol so it tends to get old after awhile. but I have mastered the technique. If its that bad, you have to dremel out ALL of that circuit board in the charred area, because the carbonized soot is conductive. Lay a new epoxy base, and re-route the damaged circuits with patch wires. Of course, that only works if you have some knowledge of the circuit.

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