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Engine and powerplant

STC SA1139NW-D

FAA DRS lists SA1139NW-D as Current · Reissued, held by United Airlines Inc, for General Electric CF6-50E2B, General Electric CF6-45A2, and General Electric CF6-45A, and 12 more aircraft configurations. Recorded change: Install fireproof blankets on Engine Fan Reverser Intermediate Fireseal in lieu of Fireproof Intumescent Coating. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
15
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Install fireproof blankets on Engine Fan Reverser Intermediate Fireseal in lieu of Fireproof Intumescent Coating.

SA1139NW-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: General Electric CF6-50E2B, General Electric CF6-45A2, and General Electric CF6-45A, and 12 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

General Electric CF6-50E2BE23EA
General Electric CF6-45A2E23EA
General Electric CF6-45AE23EA
General Electric CF6-50EE23EA
General Electric CF6-6D1E23EA
General Electric CF6-6DE23EA
General Electric CF6-50E1E23EA
General Electric CF6-50C1E23EA
General Electric CF6-50CE23EA
General Electric CF6-6D1AE23EA
General Electric CF6-50C2BE23EA
General Electric CF6-50AE23EA
General Electric CF6-50C2E23EA
General Electric CF6-50E2E23EA
General Electric CF6-50CAE23EA

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact General Electric CF6-50E2B and General Electric CF6-45A2, and 13 more aircraft configurations model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?