Not just in the bike-shop, or music-store...or wherever parts needed

The broomstick lay between two trestles. Granny Weatherwax sat on a rock outcrop while a dwarf half her height, wearing an apron that was a mess of pockets, walked around the broom and occasionally poked it.
Eventually he kicked the bristles and gave a long intake of breath , a sort of reverse whistle, which means that something expensive is about to happen.
'Weellll,' he said. 'I could get the apprentices in to look at this, I could. It´s an education in itself. And
you said it actually managed to get airborne?'
The dwarf lit a pipe. 'I should very much like to see that bird,' he said reflectively. 'I should imagine it´s quite something to watch, a bird like that.'
'Yes, but can you repair it?' said Granny. 'I`m in a hurry.'
The dwarf sat down, slowly and deliberately.
'As for repair,' he said,'well, I don´t know about repair. Rebuild, maybe. Of course, it´s hard to get the bristles these days even if you can find people to do the proper binding, and the spells need-'
'I don`t want it rebuilt, I just want it to work properly,' said Granny.
'It`s an early model, you see,' the dwarf plugged on. 'very tricky, those early models. You can´t get the wood---'



taken from Equal Rites by Terry Pratchett