# STC ST09072SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Limco-Airepair, Inc, United States
- Description: Recore of Hamilton Standard precooler heat exchanger P/N 792930.
- Status date: August 15, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C9402E7A86AD7C8685256CC300035D75.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09072SC

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

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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.