FAA-PMA
42521 is an FAA-PMA part held by Idd Aerospace Corporation (PMA PQ0023NM) — approved as a replacement for S233A002-2 on The Boeing Company 737-8 | 737-9 | 737-200 SERIES | 737-300 SERIES | 737-400 SERIES | 737-500 SERIES | 737-600 SERIES | 737-700 SERIES | 737-700C SERIES | 737-800 SERIES | 737-900 SERIES | 737-900ER SERIES | 737-8200 · Current, Jun 2021.
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.
42521 is cataloged as TRANSFORMER,AUDIO FREQUENCY. It carries 6 NSN identities and cross-references to 15 related part numbers. FAA PMA approval is on file from IDD Aerospace Corporation. An estimated 1229 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.
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