# STC SA3186SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Purolator Facet, Inc, United States
- Description: Installation of a replacement coalescer filter, Greentree Aerotech, Inc. (GAI) P/N 22D10-1.
- Applied: May 3, 1991
- Status date: November 20, 2017
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21)
- Certificate PDF: https://openairdocs.org/files/sha256/ad/0a/ad0a9528e4add63250164cfbba2600c5cab5e8f8591a5634312f50e501c7b85a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2E09641A74DDAAAE86258211005FFF7D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3186SO

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 707-100 Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- 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 707-200 ([TCDS 4A21](https://openairdocs.org/tcds/4A21))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA3186SO Purolator Facet, Inc.

8439 Triad Drive Greensboro, NC 27409 4b Civil Air Regulations.

Boeing 707-100, -200, -100B (Long), -100B (Short) 2 4A21 Installation of a replacement coalescer filter, Greentree Aerotech, Inc., (GAI) P/N 22D10-1, as shown on Drawing No.

22D10-1, Rev. B, dated 1/6/92, or later FAA Approved revision, in a Garrett Airesearch Manufacturing Company Separator Assembly (P/N 83720) of the air conditioning system in accordance with GAI Installation Drawing No.

CD-22D10-1, Rev. B, dated 2/21/92, or later FAA Approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane.

March 27, 1996, November 20, 2017 April 2, 1992 May 3, 1991 March 17, 1992 Tina Miller Manager, Program Management Section Wichita ACO Branch

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA3186SO

## Every issue (2)

- November 20, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ad/0a/ad0a9528e4add63250164cfbba2600c5cab5e8f8591a5634312f50e501c7b85a)
- March 27, 1996: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d7/ac/d7acf300386e8b9c5ca6d113575ea0cb77d79b13661985462862643d6f92a2b8)

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