FAA-PMA
173-59 is an FAA-PMA part held by Diagnostic Solutions International, LLC (PMA PQ05321NM) — approved as a replacement for Modification Article on Bell Textron Canada Limited 430 · Current, Mar 2025.
A PMA part is approved for the specific eligibility listed on its FAA record; whether it may go on a particular aircraft, engine or component is the installer's determination from that record and the eligibility list. A part-number match alone does not establish eligibility. Source: FAA DRS PMA database, refreshed weekly. Data, not advice.
173-59 is cataloged as PARTS KIT,HYDRAULIC BRAKE WHEEL. It carries 1 NSN identity and cross-references to 14 related part numbers. FAA PMA approval is on file from Diagnostic Solutions International, LLC. An estimated 57 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.
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