# STC SA3980SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Modify the passenger cabin to add one F/C seat and remove one row of T/C seats, including a new closet and class divider.
- Applied: June 16, 1993
- Status date: September 17, 1993
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/93/70/9370f7f565711492503ba1fd2e941397b6a24722578dcf3000179cd6801fa01b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/122416348193CE4585256CC2000C5C3C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3980SW-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.

Hmtol &ata of 3ama Bepartmnit of fensportanon—jfateral Strianon administration Supplemental t^gpe Certificate SA3980SW-D American Airlines, Inc.

P. 0. Box 582809 MD 208 Tulsa, Oklahoma 74158-2809 25 Federal Aviation

•-/Le.O4Lia£<mAs.

A6WE McDonnell Douglas DC9-82 and -83 Modify the passenger cabin to add one F/C seat and remove one row of T/C seats, including a new closet and class divider, per EGO K1832XX dated 8/16/93 and prototype revision form 7721 dated 9/16/93 or later DAS1SW approved revisions.

This approval should not be incorporated in any aircraft of this specific model until compatability of this modification with previously approved modifications has been determined by the installer, including STCs SA3926SW aisle lighting, SA2040NM closet and class divider and SA1455GL airfone.

6/16/93 9/17/93 £jicdm*rit&&a/&r-^ 'm4ne&£pa£r>~ DAS 1SW \(\( loordinator (Title)

MA toot tl 10-2 (10-48)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) I Number and street) (City, State, and <7/> cade) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and <?/" code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- September 17, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/93/70/9370f7f565711492503ba1fd2e941397b6a24722578dcf3000179cd6801fa01b)

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