STC SA1157NW
FAA DRS lists SA1157NW as Current · Reissued, held by United Airlines Inc, for Boeing 747-100 Series. Recorded change: Removal of the JT9D-3A engine fan case splitter (per United Air Lines COA 8-1464, ER #6) from the Boeing - 100A nacelles (blow-in-door inlets). FAA Approved Airplane Flight Manual Supplement for the Model 747-122 is required as part of this approval. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA1157NW 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.
Buyer checks
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