A CMM can tell that a part is out of spec, but that’s just a symptom and rarely provides enough information to identify and correct a problem. The standard first question is “Is there a trend; will this be an ongoing problem?” An ideal reporting system can help answer this question. Use this 7-point checklist for guidance.
Product Reliability requirements must be satisfied like all other performance requirements prior to product launch. However, since reliability is a function of time, the methods for verifying that reliability performance has been verified differ than for most other performance characteristics.