Take a look at this very slick video describing the maintenance of space megastructures, and the need for space janitors.
(Megastructure Maintenance & Space Janitors)
Science fiction writers had a variety of takes on this idea. Consider the repair robots from The Invincible (1954) by Stanislaw Lem and the repair drones from Neuromancer (1984) by William Gibson. You might enjoy this article Antenna Repairmen In Fact And Fiction as well.
And who can resist the MSE-6 repair droid from Star Wars!
Scroll down for more stories in the same category. (Story submitted 8/27/2019)
Humanoid Robots Tickle The Ivories
'The massive feet working the pedals, arms and hands flashing and glinting...' - Herbert Goldstone, 1953.
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MIT Computerized Bionic Leg Is Part Of The User
'The leg was to function, in a way, as a servo-mechanism operated by Larry’s brain, through the mediation of the electronic brain in the leg.'