FAA-PMA
ES4354 is an FAA-PMA part held by Hartzell Engine Technologies LLC (PMA PQ1383CE) — approved as a replacement for 4354 on Lycoming Engines IO-320-C1A · Current, Dec 2023.
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.
ES4354 does not appear in the federal supply catalog. An FAA PMA relationship is on file.
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