Checklist for System Maintainability and Serviceability Acceptance Criteria
The maintainability of a system is its ability to undergo repair and evolution.
One way to characterize maintainability is to measure the MTTR, which reflects the time it takes to analyze a corrective defect, design a modification, implement the change, test it, and distribute it.
The important factors, from a customer’s perspective, are the responsiveness of the service rather than the internal technical maintainability of the system.
The following are useful acceptance criteria from a customer's perspective: