Skip to content
Aircraft structures

STC ST01778CH

FAA DRS lists ST01778CH as Current · Issued, held by AeroControlex Group TransDigm Inc., for McDonnell Douglas DC-9-51, McDonnell Douglas DC-9-81, and McDonnell Douglas DC-9-82, and 2 more aircraft configurations. Recorded change: Installation of an Auxiliary Power Unit Door Actuator per AeroControlex Group Installation Instructions, 90-0065, latest FAA approved revision. Snapshot dated June 30, 2026.

FAA-listed holder
AeroControlex Group TransDigm Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of an Auxiliary Power Unit Door Actuator per AeroControlex Group Installation Instructions, 90-0065, latest FAA approved revision.

ST01778CH 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: McDonnell Douglas DC-9-51, McDonnell Douglas DC-9-81, and McDonnell Douglas DC-9-82, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McDonnell Douglas DC-9-51A6WEMcDonnell Douglas DC-9-81A6WEMcDonnell Douglas DC-9-82A6WEMcDonnell Douglas DC-9-83A6WEMcDonnell Douglas MD-88A6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact McDonnell Douglas DC-9-51 and McDonnell Douglas DC-9-81, and 3 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits 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?

Related aircraft structures STCs