STC ST9091SC
FAA DRS lists ST9091SC as Current · Reissued, held by Honeywell International Inc., for Boeing 777-200 Series, Boeing 777-300 Series, and Boeing 777-300ER Series. Recorded change: RECORE® Hamilton Sundstrand Condenser Reheater Heat Exchanger PN 810210-1, 810210-2. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST9091SC 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 777-200 Series, Boeing 777-300 Series, and Boeing 777-300ER Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
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FAA holder: United Aeronautical Corporation
Installation of a 2,000 gallon RADS11-200 Helitank Fire Retardant System.
FAA holder: United Aeronautical Corporation
Installation of Retardant Tanks for the special purpose of Forest and Wildlife Conservation.
FAA holder: United Aeronautical Corporation
Activation of LINK 2000+ software function.
FAA holder: Gulfstream Aerospace Corporation