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.
Recorded modification
What the FAA record covers
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.
Buyer checks
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Installation of an engine electronic digital tachometer.
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