Source : WordNet®

serviceability
     n : the quality of being able to provide good service [syn: {serviceableness},
          {usableness}]

Source : Free On-Line Dictionary of Computing

serviceability
     
         The ease with which {corrective maintenance} or
        {preventative maintenance} can be performed on a system
        (e.g. by a {hardware} service technician).  Higher
        serviceability improves availability and reduces service cost.
     
        Serviceability is one component of {RAS}.
     
        (2000-08-13)