The gray shaded areas indicate potential areas of concern. It is interesting to note that these are the same areas identified as concern areas during the analysis of the previous RFF procedures. Final Countermeasure, ECl issuance, TI issuance, and Parts registration all had at least 50% overdue occurrences during this period. A closer look at the details of each occurrence revealed that all were due to unique circumstances and could be considered inconsequential in this analysis