I'm looking for advice on if there is a standardized definition to "lapse in production" as referenced in the AS9102 standard. My personal definition is that the time is linear between any two points in the process i.e. start to start or finish to finish. Other colleagues have suggested that the lapse is finish to start, but I feel that could be skewed significantly. Example: 1000 parts are machined and then painted 10 per month for 100 months and delivered on the same schedule. If the finish to start analogy is used, then no FAI would be required when the machining is performed on the next 1000 units. If anyone could point me to a definition, I would be appreciative.