Publication Date: 8/17/2026 Share Print

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Inventory Optimization (Expendable)

When a repairable item on an aircraft becomes defective, it is removed and replaced by another item from the spare stock. The defective part is then sent to a maintenance station for repair. If the station does not have a spare part in stock, the aircraft will remain on ground and will be delayed until an incoming flight brings a replacement part from another maintenance station. Spare inventory is placed at line stations to decrease time delays due to unanticipated failures, and is placed also at the maintenance stations to quickly replenish remote station allotments while their parts are being repaired.

Inventory Optimization is a tool that uses Mathematical Algorithms to minimize the supply chain cost by maintaining the optimal stock levels predicted from inventory analysis. This option makes inventory management more effective and efficient therefore enhancing customer servicing levels. Essentially parts are randomly selected and placed in random locations. Usage for these parts is simulated based on flight plans. The Materials Manager will look for shortages and overages. They will continue to perform these simulations and manipulate the data until the desired results are achieved. This information is then taken and a formula and historical data are applied. This is simulated as many times as possible until the optimal inventory is produced.

The Inventory Optimization (Expendable) option has been designed to facilitate a simulation for expendable parts. This simulation will help Materials Managers determine which location(s) should maintain the optimal number of parts based on historical records and long term flight plans for utilization.

The following sections, tabs, and buttons are available:

Inventory Optimization (Expendable) Tabs

Inventory Optimization (Expendable) Buttons

P/N ATA Area

Optimization Area

Optimization Tab

Usage Graphs Tab

Forecast Usage Tab

P/N By Location Tab

but_save_small Save button

but_inventory_levels_all_small Inventory Levels All button

but_run (small) Run Forecast button

but_pn_by_location P/N By Location button

 

Re-Order Level Process

In This Section

Optimization Area, via Inventory Optimization (Expendable)

Inventory Optimization (Expendable) Buttons

See Also

Inventory, Update Menu

Materials Flow Through TRAX

Manage Parts Functionality in Inventory

Inventory Bogus P/N

Picklist

Inventory Initial Provision Load

Inventory Optimization (Rotable)

Inventory Supervisor

Inventory Transaction

Manual Warranty Entry

Missing Parts Queue

Murata Queue

P/N Initial Load

P/N Initial Multi Load

P/N Pool

P/N Pool Selection

P/N Reorder Level

P/N Reorder Suggestion Update

Physical Count Schedule Generation

Physical Inventory Adjustment

Physical Inventory Count

Physical Inventory Count Dashboard

Physical Inventory Generation

Physical Reconciliation Recount

Picklist Creation

Picklist Supervisor

Tray Management - Murata Multifunctional Screen

World Part Locator

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