FAA-PMA
1191-2 is an FAA-PMA part held by Astronics - Advanced Electronic Systems (PMA PQ1974NM) — approved as a replacement for 1191-2 on Boeing 777-300ER Series · Current, Jul 2019.
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.
1191-2 is cataloged as SWITCH,THERMOSTATIC. It carries 2 NSN identities and cross-references to 1 related part number. FAA PMA approval is on file from Advanced Electronic Systems (AES). An estimated 24 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.
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