# STC SA8953SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc.
- Description: Replace core assembly of Hamilton Standard Air Supply Precooler, part number 792930-4 and 792930-5
- Status date: September 22, 2021
- Data sheets: A1NM, A1NM, A20WE, A20WE, A20WE
- Certificate PDF: https://openairdocs.org/files/sha256/ee/d2/eed2c149385b8c7b900f14ade53b78b8af09ca0ac64c608e06c2122d3b80593f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/543AF0FC3A195F82862587670068234A.0001
- Page: https://openairdocs.org/stc/SA8953SW

## ADs that name it

None.

## Approved models (5)

- The Boeing Company 747-300 Series (TCDS A20WE)
- The Boeing Company 747-400 Series (TCDS A20WE)
- The Boeing Company 747-400D Series (TCDS A20WE)
- The Boeing Company 767-200 Series (TCDS A1NM)
- The Boeing Company 767-300 Series (TCDS A1NM)

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to:

SA8953SW Honeywell International Inc.

1944 E Sky Harbor Circle N Phoenix, AZ 85034 .

the Federal Aviation Regulations A20WE Make: Original Product Type Certificate Number:

Boeing 747-300, 747-400, 747-400D Series;

767-200, 767-300 Series Replace core assembly of Hamilton Standard Air Supply Precooler, part number 792930-4 and 792930-5, in accordance with LORI drawing 93LB2152, Rev. B, dated June 10, 1994, or later FAA approved revision.

1) Compatibility of this modification with previously installed equipment must be determined by installer.

2) 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.

March 14, 1994 Date Reissued:

10/1/96; 11/15/05; 11/14/12; 9/22/21 Date of Issuance: Date Amended:

August 18, 1994 By Direction of the Administrator Signature:

William S. Shealy ODA Administrator, ODA-602216-NM

SA8953SW

## Every issue (3)

- September 22, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ee/d2/eed2c149385b8c7b900f14ade53b78b8af09ca0ac64c608e06c2122d3b80593f)
- November 14, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/87/b2/87b2f2314aa4bfaa7e614c285cbf7703a5abb18faf46c807160a9ea8cab9ecf4)
- November 15, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/18/c9/18c93be3b995d6d5f9fd5b2a8dda2b918fbf90d6cfb69ddff441276726d8fc10)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.