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1423-7400

1423-7400 does not appear in the federal supply catalog. FAA PMA approval is on file from Dow Aero, LLC.

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Government purchase history

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Demand

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Availability

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FAA-PMA

1423-7400 is an FAA-PMA part by Dow Aero, LLC

PMA PQ00918SW. Approved as a replacement for Modification Part on Dow Aero | LLC. Boeing 747-200 Series (Installation Of Airstair) · Current, Apr 2026.

The OEM number it replaces, and who sells those here

MODIFICATIONPARTno listing here yet

A PMA part is approved for the specific eligibility listed on its FAA record; whether it may be installed on a particular aircraft, engine or component is the installer's determination. This page states the FAA record and the listings on PartsAndPlanes.