# STC SA554EA-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Install underseat luggage retention device
- Applied: February 10, 1969
- Status date: December 4, 1969
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5EU](https://openairdocs.org/tcds/A5EU), [TCDS 4A21](https://openairdocs.org/tcds/4A21), [TCDS 4A26](https://openairdocs.org/tcds/4A26), [TCDS 4A28](https://openairdocs.org/tcds/4A28), [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/3e/a3/3ea3e532b28fead5d65ca763e14e90eeaec754592d0cb561632f44c6348622d1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5462F3B4EF26C86285256CC2001229DF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA554EA-D

## ADs that name it (0)

None.

## Approved models (9)

- Airbus BAC 1-11 400 Series ([TCDS A5EU](https://openairdocs.org/tcds/A5EU))
- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-100B Short Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-300B Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300C Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 720B Series ([TCDS 4A28](https://openairdocs.org/tcds/4A28))
- The Boeing Company 727 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA554EA-D This certificate issued to: American Airlines, Inc.

Maintenance & Enginering Center Tulsa, Oklahoma 74151 Part 25 of the Federal Aviation Regelations.

Original Product Type bertificate Number: AWE 4A28 4A21 4A26 ASEU Make: Boeing Boeing Boeing Boeing British Aircraft Model: 727-23 720-023B 707-123B 707-323C 401AK Description of Type Design Change: 121-35 727-95 707-323B 727-123 727-223 Install underseat luggage retention device in accordance with Engineering Change Orders. A. 01423 Rev. A dated 2/11/69, Rev. B dated 3/16/69, and data as listed on Rev. D dated 12/3/69.

This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the aircraft.

re) TO MINISTRATO Coordinator DAS 1 EA (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Exent of Authority (if licensing agreement) :

Signature of grantor (1n ink) :

## Every issue (1)

- December 4, 1969: Amended, Current. [certificate](https://openairdocs.org/files/sha256/3e/a3/3ea3e532b28fead5d65ca763e14e90eeaec754592d0cb561632f44c6348622d1)

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