FAA-PMA
12939 is an FAA-PMA part held by Avtech Tyee Inc. (PMA PQ0136NM) — approved as a replacement for 1293-9 on Boeing 757-200 Series · Current, Aug 2012.
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.
12939 is cataloged as HEATER. It carries 4 NSN identities and cross-references to 27 related part numbers. FAA PMA approval is on file from Avtech Tyee Inc. An estimated 14 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data. PartsAndPlanes currently shows 1 active listing from 1 seller across the part family.
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