# STC ST09050SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Southern Aeroparts, Inc, United States
- Description: Modification of Boeing p/n 3145-2 oxygen tank support assembly and replacement of hardware associated with the operation of Boeing P/N 20054-350 T-bolt.
- Status date: June 6, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1NM](https://openairdocs.org/tcds/A1NM), [TCDS A2NM](https://openairdocs.org/tcds/A2NM)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6E2CEB7A0715E7E885256CC300035D6D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09050SC

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company 757-200 ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))
- The Boeing Company 767-200 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM))
- The Boeing Company 767-300 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.