# STC SE1WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Telecomputing Corp, United States
- Description: Valve assembly 126495. Limited to those engines having serial number suffix 'B'.
- Status date: June 6, 1975
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1E8](https://openairdocs.org/tcds/1E8)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8119AFAA0A5EA20985256CC2005A748C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE1WE

## ADs that name it (0)

None.

## Approved models (1)

- Pratt & Whitney Division JT3D Series ([TCDS 1E8](https://openairdocs.org/tcds/1E8))

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