Originally Posted by new
It fixed itself.
When I was an aircraft technician and then even later when I flew, we had an expression for such cases.
There would be a problem. A definite problem.
We would look at it and ponder and study the manuals and ask people questions, and then "Kaboom" it was O.K. though we really never did anything that we knew of.
We called that an "RBI."
"Repair by Inspection."
Glad to be able to help.