This is a partial list of repairs 

set up - adjust string height, intonate strings, adjust truss rod, oil fingerboard
cracked headstock
bridge lifting from top
custom-made bridge
truss rod adjustment
replace nut or saddle
neck reset
crack repair
re-fret/fret leveling
install or replace pickup
replace pots, jack, switch, on-board electronics
finish touch-up and repair
rout pocket for pickup or controls
​custom modifications
fit arch-top bridge
​