# STC SA903GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwolf Filter Corp
- Description: Installation of a spin-off filter assembly in the engine scavenge oil system.
- Status date: May 1, 2018
- Data sheets: A3SW
- Certificate PDF: https://openairdocs.org/files/sha256/57/12/57120e0ffd79672c25baf64887491bca7733172f4753bcdffe2379e074c714d1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3650DC47E19E14958625829F004B08E0.0001
- Page: https://openairdocs.org/stc/SA903GL

## ADs that name it

None.

## Approved models (1)

- Ayres Corporation S2R (TCDS A3SW)

## 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.

Installation of Model 400 scavenge oil filter kit in the engine scavenge oil system per Sky-Tractor Supply drawing list Report No.

400, rev. C, dated December 28, 2004, and Installation Instructions, rev. C, dated December 28, 2004, or later FAA approved revisions.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other p erson written evidence of that permission.

3. A copy of this Certificate and FAA Approved Model List (AML) No. SA903GL, amended February 4, 2005, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

Airwolf Filter Corp.

12801 Hwy 75 North Okmulgee, OK 74447

* See attached FAA Approved Model List (AML) No. SA903GL for list of approved airplane models and applicable airworthiness regulations.

August 25, 1987; March 9, 2018;

May 1, 2018

February 6, 2004; February 4, 2005

(Signature) Roy E. Boffo Manager, Propulsion and Program Management Section Chicago ACO Branch

(Title)

May 28, 1985

June 18, 1985

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

## Every issue (2)

- May 1, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/57/12/57120e0ffd79672c25baf64887491bca7733172f4753bcdffe2379e074c714d1)
- March 9, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b0/05/b005baa2f17b81762c7e0bb7a73d969791be25444bb12f434478973e0532d170)

---
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.