No major repairs. A few worn out AMS internal PTFE tubes and funnels due to CF filament, even with protection buttons with PTFE tubes. A bunch of smooth PEI plates, now print on PEZ or ESP plates that have better longevity. Changed the extruder gear due to CF filament clogging up the bearings, but then I disassembled the old one and cleaned it and now its back in service (link below). A few usual maintenance items like nozzle wiper and cutter blades. Had the hot end cover fall off and get damaged but was replaced under warranty. The cable that connects to the front of the toolhead cover (LOGO LED cable) fail due to stress from repeated hot end swaps etc, was a cheap $8 parts. Extruder filament sensor failed, broken cable again due to stress, $12 part. Otherwise chugging along just fine with no major problems.