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Electrical systems

STC SA1942NW-D

FAA DRS lists SA1942NW-D as Current · Reissued, held by United Airlines Inc, for Boeing 747-100 Series. Recorded change: Replacement of lead-acid battery with nickel-cadmium battery according to United Air Lines, DAS-1-WE, Approved Master Drawing List No. 1942 dated March 17, 1984, or later FAA approved revisions. Approved for model 747-122. Snapshot dated June 30, 2026.

FAA-listed holder
United Airlines Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replacement of lead-acid battery with nickel-cadmium battery according to United Air Lines, DAS-1-WE, Approved Master Drawing List No. 1942 dated March 17, 1984, or later FAA approved revisions. Approved for model 747-122.

SA1942NW-D 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 747-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-100 SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-100 Series model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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