# STC SA2646WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Telair US LLC, United States
- Description: Installation of Lock Assembly No. 41853-101, -102, -103, -201, -202, -203, -204, -301, -302, -303, and -304
- Applied: December 21, 1972
- Status date: March 26, 2015
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/e6/20/e6201855f13d7785d33f5e183529c3315871c9cd1b20e423ab66e81cb76f87ca
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FB8F0E1232B4A54086257E38004ECE2A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2646WE

## ADs that name it (0)

None.

## Approved models (4)

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

## 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.

Part 25 of the Federal Aviation Regulations. (See Type Certificate Data Sheet A20WE).

Installation of Lock Assembly No. 41853-101, -102, -103, -201, -202, -203, -204, -301, -302, -303, and -304 in accordance with FAA sealed Brownline Drawing No. 42999, Rev. F, “Installation Instructions Lock Assembly No. 41853,” or later FAA sealed revision.

1) The approval of this change in type design applies to the Boeing 747-100 series and 747-200 series airplanes only.

2) The installer must determine whether this design change is compatible with previously approved modifications.

3) If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Telair US LLC 500 Gateway Drive Goldsboro, NC 27534 A20WE Make : Boeing Model : 747-100 Series and 747-200 Series Date of application : December 21, 1972

Date of issuance : February 5, 1973

Date reissued : November 25, 1974; December 7, 1981;

November 25, 1986; March 26, 2015

Date amended : January 9, 1975; July 21, 1977; April April 20, 1979

(Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

Original Signed By:

Karol Mordasiewicz

FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES

Number

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

## Every issue (2)

- March 26, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e6/20/e6201855f13d7785d33f5e183529c3315871c9cd1b20e423ab66e81cb76f87ca)
- November 25, 1986: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5c/d1/5cd1c0eb3b6dea8f6aeecdbcb46cc590a0966641057c11ef4debfa5a29ba3c18)

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