# STC SA3374WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Valley-Todeco, Inc, United States
- Description: Installation of bearing P/N VTB02220 as replacement for Boeing P/N 10-60545-113S in main landing gear lock system assembly.
- Status date: March 29, 1977
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/588F8919B66AACAE85256CC2000A976B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3374WE

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

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