Add/Change Interchangeable Parts

Explanation

This activity is used to replace a standard part on an aviation maintenance material requisition line with a valid interchangeable part. An interchangeable part is a part that fulfils requirements (e.g. A certain position is governed by the actual aircraft itself – a specific tail number) and is interchangeable with a standard part.

There can be instances where the material to be used on the aviation maintenance material requisition line is out of stock or no longer utilized. Responsible personnel, such as material controller, need to ensure the material is replaced in time so that the work can be carried out without any delays due to material shortages. Therefore, standard parts for material demand for maintenance are initiated from Maintenix, which can be fulfilled from the interchangeable part with local reservation or sourcing or external supply (purchase order).

It is possible to replace all or part of the quantity of the standard part with a valid interchangeable part by using the Add/Change Interchangeable Parts assistant. When this is done, material lines will be created for the interchangeable parts and added to the same material order to which the original material line belongs. You can then continue planning the material for the aviation task.

Additionally, it is possible for a split material line to be split further, and the new lines will be added to the material requisition order of the original material line. The Changes Line No field will be updated automatically with the original material line number, and the Quantity Required field will be updated accordingly.

Note: If a material line which was created for an interchangeable part is deleted or Quantity modified, the Quantity Required and Quantity Changed fields on the original line will be updated to reflect the change. If the original material line has been closed, only the Quantity Changed field will be updated.

Prerequisites

• The inventory parts record should exist at the same site as the selected aviation maintenance material requisition.
• Applicable interchange part list should be received from the Aviation integration.
• The material line supply code should be Invent Order.
• If the material line supply code is a Purchase order, then the material line should not have been created for a purchase order.
• The remaining quantity for the part on the material line should be more than zero. The remaining quantity is the required quantity minus both issued and reserved quantities for the part.
• The material line should not be closed.
• If the material line supply code is an Invent order, then the part on the material line should not have a pegged quantity.

System Effects

When the material line supply code is an Invent Order

• A material line is created for the interchangeable part that is selected to replace the prime (standard) part. If different interchangeable parts are selected to replace the prime (standard) part, a material line is created for each part. The new lines are added to the material requisition order of the original material line.
• For the material lines that are created for the interchangeable parts, the Changes Line No field will be updated automatically with the order line number that is changed.
• For the original material line, the Quantity Changed field will be updated automatically with the quantity of the part that was replaced. The Quantity Required field will be reduced by the same amount.

When the material line supply code is a Purchase Order

• A material line is created for the interchangeable part that is selected to replace the prime (standard) part. If different interchangeable parts are selected to replace the prime (standard) part, a material line is created for each part. The new lines are added to the material requisition order of the original material line.
• If the supply code purchase order, a purchase requisition will be created automatically, and once the interchange command is used, it will be added to the same purchase requisition in the initial stages. At the later stages in the procurement, it will add to different purchase requisitions depending on how far the procurement process has been proceeded.
• For the material lines that are created for the interchangeable parts, the Changes Line No field will be updated automatically with the order line number that is changed.
• For the original material line, the Quantity Changed field will be updated automatically with the quantity of the part that was replaced. The Quantity Required field will be reduced by the same amount.
• Interchanged lines will have the same ownership, supply code, and purchase method according to the original line.

Pages

Maintenance Material Requisition
Maintenance Material Requisition Lines

Activity Diagrams

Reserve Manually in Local Site