# STC SE00344LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Western Filter Corporation, United States
- Description: Installation of Western Filter Corp. oil filter element, P/N WF334638, as a replacement for the P&W Canada filter element, P/N 3112895-01, in the lubrication system.
- Status date: February 12, 1997
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E20NE](https://openairdocs.org/tcds/E20NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5BDD1FCA2FB9BDAC85256CC2005A73B3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE00344LA

## ADs that name it (0)

None.

## Approved models (11)

- Pratt & Whitney Canada Inc. PW118 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW118A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW119B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW121 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW123 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW124B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW125B ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW126A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW127 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.