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Cabin and interiors

STC ST11257DS

FAA DRS lists ST11257DS as Current · Issued, held by American Airlines Inc, for Airbus SAS A321-253NX. Recorded change: Modification of Airbus A321-253NX aircraft to re-pitch several rows of main cabin seats. Snapshot dated June 30, 2026.

FAA-listed holder
American Airlines Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Modification of Airbus A321-253NX aircraft to re-pitch several rows of main cabin seats.

ST11257DS identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Airbus SAS A321-253NX. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Airbus SAS A321-253NXA28NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Airbus SAS A321-253NX model, serial range, and configuration?
  2. 02Which layout, materials, flammability evidence, and weight changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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