# STC SA3968SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Modify the refueling system.
- Applied: July 10, 1990
- Status date: October 12, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/6a/5d/6a5dcc780de2850ad3a25bb47b8457a7fe3af7ecf179410b62ac3cfed319842c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CE5AEFE7811A027985256CC2000C5C18.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3968SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

ttnitrd $tatts of SUntrica Bepartmcnt of Importation—jfalerai atriation administration Supplemental t:gpe Certificate iyuvm>v€w SA3968SW-D American Airlines, Inc.

Maintenance & Engineering Center Tulsa, Oklahoma 74151 .<^^/i*>a^ ^ 25 jA« Federal Aviation

•-Sl£-a4tta£&rtA:

A6WE McDonnell Douglas DC9-82/-83 Modify the refueling system per ECO K1569 dated September 21, 1990 and prototype/revision forms 7721/F2(23) dated October 12, 1990 or later DAS-STC approved revisions.

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with other previously approved modifications has been determined by the installer. No flight may be predicated on the use of this equipment. Therefore, this is a non-interference basis certification.

&rsmj/n^a/<Jc>w jfa 7/10/QO " R. J. Walker (Signature} (DAS-1 SW Coordinator) (TitU)

FAX FO«M 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ^1P code) from (Name of grantor) (Print or type) _ (Address of grantor) (Number and street} (City, State, and <7f code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- October 12, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6a/5d/6a5dcc780de2850ad3a25bb47b8457a7fe3af7ecf179410b62ac3cfed319842c)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.