Where goods have been bailed for repair, and a dispute arises, the bailee will likely claim a right of lien while the bailor will claim conversion.

Right of Lien

A legal right to keep possession of property belonging to another person until a debt owed by that person is discharged.

Bailee

An individual or party to whom personal property is entrusted for a specific purpose, with an obligation to return it to the bailor.

Conversion

The refusal to deliver up a chattel to its rightful owner by a bailee.