FAA-PMA
17121 is an FAA-PMA part held by Safran Cabin Inc.. (PMA PQ1176NM) — approved as a replacement for 171-21 on Airbus Canada Limited Partnership BD-500-1A10 · Current, Aug 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.
17121 is cataloged as SWITCH,THERMOSTATIC. It carries 8 NSN identities and cross-references to 6 related part numbers. FAA PMA approval is on file from C & D Zodiac Inc. The part appears on MCRL cross-reference data.
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1041, 17101-0, 17121-0-(+130), 202.963, 516423, 6515NCM104816
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