# STC SA3923NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Safran Cabin Inc., United States
- Description: Installation of galleys, closets, under-stair module, and aft partition
- Applied: December 11, 1986
- Status date: July 18, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/a6/bb/a6bb6616db91c5364c7e4d65f87b5be0d729cc49085c9545e6985b5dab40a7b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159344715820260123190514.0001
- DRS record last changed: January 23, 2026
- Page: https://openairdocs.org/stc/SA3923NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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: SA3923NM This certificate issued to: Safran Cabin Inc. 7330 Lincoln Way Garden Grove, CA 92841 Part 25 of Title 14, Code of Federal Regulations Type Certificate Number: A20WE Original Product Make: Boeing Description of Type Design Change: Model: 747-100, -121, -122, -123, -132; 747-200B, -212B Installation of Galleys, closets, Under-stair Module, and Aft Partition, in accordance with FAA approved Master Index List 13516, Revision "B," dated April 11, 1988, or later FAA approved revision.

This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Limitations and Conditions: continued on sheet 3)

Date of Application: 12/11/1986 Date Reissued: 08/30/1996 07/30/1998 12/29/2005 Date of Issuance: 05/16/1988 Date Amended: 06/29/1988 4 see continuation sheet for additional dates By Direction of the Administrator Signature:

Title: ODA Administrator, ODA-606394-NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3923NM Effective Date: 07/18/2025

United States of America EDERA NATIO Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3923NM Effective Date: 07/18/2025 Date Reissued: - cont.: 12/04/2018; 07/18/2025 ---END---

## Every issue (2)

- July 18, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a6/bb/a6bb6616db91c5364c7e4d65f87b5be0d729cc49085c9545e6985b5dab40a7b9)
- December 29, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/dd/74/dd7424032bbd0bee5dfa7434d5721378d1c119ca776abcbca173710ca51c236b)

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