About a month ago I received a brand new aircraft with a brand new 912iS.

The part number had been changed by someone crossing out the last digit 0 and adding a 1.

I heard a rumor after Sun & Fun that Rotax realized there was a problem with the iS gearbox gear mesh after about 400 hours of operation.

Any verification or others hear anything on gearbox 400 hour gear mesh problem and did I get an upgraded one with a new part number. Any thoughts would be helpful.
GearBox_iS.jpg (You do not have access to download this file.)
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