Understanding Parts Cross-References
You can use parts cross-references to track the maintenance parts in a variety of ways. When you set up parts cross-references, you assign cross-reference types to each part. For example, you can assign cross-reference types for:
Replacements for discontinued parts
Substitute parts
Alternate suppliers
Alternate parts numbers
You can change cross-reference information as new information becomes available. This feature is particularly useful when you need to access the most current information about a part. You can add or revise this cross-reference information for a part:
Cross-reference type code
Address number
Cross-reference part number
Cross-reference description