# STC SA3938NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: California Precision Hydraulics, Inc, United States
- Description: Installation of Bell Industries Piston-Shoe Sub-assembly, P/N 700001 as a replacement part for Sundstrand P/N 728638 or 700631 when used in Sundstrand Model No. 60AGD40 Constant Speed Drives (CSD).
- Status date: December 6, 1996
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/75A82E7705BD0E1E85256CC2000C5BCB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3938NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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