# Airworthiness Directives; GE Aviation Czech s.r.o. Turboprop Engines
> **Rule** · Final rule. · Published 2015-08-27 · Effective 2015-10-01 · 80 FR 51935
## Document
- **Document number:** 2015-21119
- **Category:** airworthiness
- **Manufacturer:** GE Aviation Czech s.r.o. Turboprop
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 80 FR 51935
- **Publication date:** 2015-08-27
- **Effective date:** 2015-10-01
- **FAA docket:** Docket No. FAA-2015-0625
## Abstract

We are adopting a new airworthiness directive (AD) for certain serial number (S/N) GE Aviation Czech s.r.o. M601E-11, M601E-11A, and M601F turboprop engines with certain part number (P/N) gas generator turbine (GGT) blades, installed. This AD requires removing from service any affected engine with certain GGT blades installed. This AD was prompted by the determination that certain GGT blades are susceptible to blade failure. We are issuing this AD to prevent GGT blade failure, which could lead to engine failure and loss of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/08/27/2015-21119/airworthiness-directives-ge-aviation-czech-sro-turboprop-engines)
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