# Airworthiness Directives; GE Aircraft Engines CT7 Series Turboprop Engines
> **Rule** · Final rule. · Published 2002-01-08 · Effective 2002-02-12 · 67 FR 815
## Document
- **Document number:** 02-302
- **Category:** airworthiness
- **Manufacturer:** GE
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 815
- **Publication date:** 2002-01-08
- **Effective date:** 2002-02-12
- **FAA docket:** Docket No. 2000-NE-61-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), that is applicable to GE Aircraft Engines (GE) CT7 series turboprop engines. This amendment requires removal of stage 2 turbine aft cooling plates of a certain part number (P/N) and installation of cooling plates of a new design. This amendment is prompted by a report of a stage 2 turbine aft cooling plate cracking, resulting in an uncontained engine failure. The actions specified by this AD are intended to prevent stage 2 turbine aft cooling plate cracking, which could result in uncontained engine failure, and damage to the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/01/08/02-302/airworthiness-directives-ge-aircraft-engines-ct7-series-turboprop-engines)
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