# STC SA2337SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Appalachian Accessories, United States
- Description: Replacement of Cleveland brake discs, P/N 164-22A, and/or 164-23 or 164-123, with Appalachian Accessories' stainless steel brake discs, P/N 75-23.
- Applied: August 21, 1986
- Status date: May 17, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 23
- Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15), [TCDS A19SO](https://openairdocs.org/tcds/A19SO), [TCDS A1EA](https://openairdocs.org/tcds/A1EA), [TCDS A3SO](https://openairdocs.org/tcds/A3SO), [TCDS A7SO](https://openairdocs.org/tcds/A7SO)
- Certificate PDF: https://openairdocs.org/files/sha256/1d/37/1d37a8583f73cbdfcefbac54f2e0e3d2d2c5702c67f1a3911fd9aefbccb09d9c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184908345420230302150134.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2337SO

## ADs that name it (0)

None.

## Approved models (11)

- The New Piper Aircraft Inc. PA-24-400 ([TCDS 1A15](https://openairdocs.org/tcds/1A15))
- The New Piper Aircraft Inc. PA-30 ([TCDS A1EA](https://openairdocs.org/tcds/A1EA))
- The New Piper Aircraft Inc. PA-32-260 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32-301 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32R-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32RT-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- The New Piper Aircraft Inc. PA-34-200 ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- The New Piper Aircraft Inc. PA-44-180 ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))
- The New Piper Aircraft Inc. PA-44-180T ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- May 17, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1d/37/1d37a8583f73cbdfcefbac54f2e0e3d2d2c5702c67f1a3911fd9aefbccb09d9c)

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