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Approved Process Sources D1-4426


D1-4426 Approval Report Updated May 14, 2008


Revision FL -- effective May 6, 2008

(for an explanation of this schedule click here.)



This D1-4426 web site specifies how The Boeing Company assures that special processes, production of raw material and the procurement of selected parts standards are performed in accordance with contractually established engineering specifications, drawings and quality requirements.

Important Note: Any reference to Boeing includes all Divisions listed in the "Division Tables" (use the D1-4426 left hand menu for a list) except where a limitation is noted.


TO NAVIGATE THE D1-4426 DOCUMENT: Use the left menu to access all document sections below the heading: Approved Process Sources D1-4426


Frequently Asked Questions

The following links are provided for reference only to determine specification revision level and departure information for certain specifications. These links could contain specifications not in the D1-4426 Specification Index Listing.

The following are all PDF * documents:

* If you do not have Acrobat Acrobat Reader version 4.0 or later for reading PDF files, it is available FREE from Adobe.

D1-4426 Web Site Content Owner