# STC SE02128AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: PAS Technologies Inc, United States
- Description: Installation of a replacement ring manufactured by Praxair as part of the Praxair Second Stage Turbine inner air seal ring assembly.
- Applied: April 28, 2000
- Status date: March 1, 2009
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E9NE](https://openairdocs.org/tcds/E9NE)
- Certificate PDF: https://openairdocs.org/files/sha256/fb/40/fb403a4507403f7cb37d4a716cf5411e767c55c84a32c7857045d7d2f98f848a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B2B22D8C688608A48625826E004F55CB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE02128AT

## ADs that name it (0)

None.

## Approved models (2)

- Pratt & Whitney Division JT8D-217C ([TCDS E9NE](https://openairdocs.org/tcds/E9NE))
- Pratt & Whitney Division JT8D-219 ([TCDS E9NE](https://openairdocs.org/tcds/E9NE))

## What the certificate says

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

## Every issue (2)

- March 1, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/fb/40/fb403a4507403f7cb37d4a716cf5411e767c55c84a32c7857045d7d2f98f848a)
- September 7, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e3/9f/e39f4207465667698c95fd546eea65438f3012272324e3ea2abc5844ad1c2c30)

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