When I reduce the power on my 912is with Airmaster Prop, the EGT on #1 drops to around 800 while the other EGTs remain around 1400 and it stays there for a few seconds and then goes back to normal. There is no abnormal noises or vibration and everything else remains normal except for occasionally the Lane A light comes on solid and has to be reset. I have replaced all the EGT probes and even swapped #1 and #2 probe and the problem stays with cylinder 1. 

Any ideas?

Flying in a Kitfox and I have almost 500 hours on the engine without problems.

9453_1_20220926_154755.jpg (You do not have access to download this file.)
9453_1_20220926_154803.jpg (You do not have access to download this file.)
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