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Cabin and interiors

STC SA4946NM

FAA DRS lists SA4946NM as Current · Reissued, held by Aviation Technical Services, for Boeing 757-200. Recorded change: Installation of passenger Service Unit Assemblies modified to include 22 minute duration oxygen generators at all locations except the seat row immediately aft of station 740.0. Approved for model 757-223. Snapshot dated June 30, 2026.

FAA-listed holder
Aviation Technical Services
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of passenger Service Unit Assemblies modified to include 22 minute duration oxygen generators at all locations except the seat row immediately aft of station 740.0. Approved for model 757-223.

SA4946NM 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: Boeing 757-200. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 757-200A2NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 757-200 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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