STC SA1767SO
FAA DRS lists SA1767SO as Current · Amended, held by Federal Express Corp, for Boeing 727-200 Series and Boeing 727-100 Series. Recorded change: Upgrades mechanical systems (torque tube, latches) of Main Deck Cargo Door, and incorporates National Aircraft Services, Inc. (NASI) STC ST01438CH that adds a vent door system with locking feature, and upgrades cargo door monitoring and warning system. This STC and the NASI STC also upgrades Maintenance Program and Documents for Continued Airworthiness for maintaining cargo door installation and rigging for mechanical, electrical, and cargo door monitoring and warning system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Upgrades mechanical systems (torque tube, latches) of Main Deck Cargo Door, and incorporates National Aircraft Services, Inc. (NASI) STC ST01438CH that adds a vent door system with locking feature, and upgrades cargo door monitoring and warning system. This STC and the NASI STC also upgrades Maintenance Program and Documents for Continued Airworthiness for maintaining cargo door installation and rigging for mechanical, electrical, and cargo door monitoring and warning system.
SA1767SO 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 727-200 Series and Boeing 727-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 727-200 Series and Boeing 727-100 Series model, serial range, and configuration?
- 02Which load analysis, wiring changes, protection, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related electrical systems STCs
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Installation of auxiliary battery system.
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Installation of a vapor cycle (Freon, R-134a) air conditioning system for ground and inflight cooling with optional electrical heating.
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Manufacture and installation of audio control panel in accordance with wiring diagrams, specifications, and photographs contained within the FAA project file. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval for change in type design is limited to Cessna Model 177, Serial Numbers 17700123 and 17700674 only.
FAA holder: Heyworth Eugene