Analysis of In-Transit Lead Time for Asset Delivery at Ogden Air Logistics Center.

摘要

Maintenance Inventory Centers (MICs) are forward stockage points for Depot Maintenance activities. AFLC has directed that the amount of material stocked in MICs be reduced. The in-transit delivery time for replenishment issues to MICs from Depot Supply has significant impact on material support concurrent with minimizing inventory levels. This thesis examined MIC stock replenishment in-transit time. In-transit times experienced during a six-month period in six MICs at Hill AFB, Utah (Ogden ALC) were analyzed to establish performance parameters for simulation analyses. Also, quality control tools to reduce the in-transit time and associated variability were also investigated. Empirical in-transit time performance statistics implied the AFLC 1.5 working day delivery time standard for MIC replenishment issues was not being achieved for all MICs. Fitting empirical data to theoretical probability distributions for use in subsequent simulation experiments supported previous research that lead time data is occasionally so variable that it may not fit familiar theoretical probability distributions. (KR)