# STC SE00054AT-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aero Component Technologies, United States
- Description: Modification of the turbine exhaust case to provide increased wall thickness for the purpose of improved blade containment.
- Status date: October 19, 1994
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E3NE](https://openairdocs.org/tcds/E3NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2A491282319E526E85256CC2005A7392.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE00054AT-D

## ADs that name it (1)

- [AD 96-25-10](https://openairdocs.org/ad/96-25-10): Design Turbine Exhaust Case · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Feb 18, 1997. Cited in the text

## Approved models (7)

- Pratt & Whitney Division JT9D-7R4D ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4D1 ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4E ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4E1 ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4E4 ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4G2 ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))
- Pratt & Whitney Division JT9D-7R4H1 ([TCDS E3NE](https://openairdocs.org/tcds/E3NE))

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