I agree with 'W9' unless it's obvious that the lightening strike did cause issues then some decisions have to be made re possible unnecessary diversions due no maint.
A/C get zapped all the time the world over, it's a common occurrence often not even known by the 'fright' crew:-)
This is what CMD decisions are all about, this is why Capt's get paid the big bucks
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Wmk2