# Airworthiness Directives; International Aero Engines, LLC Turbofan Engines
> **Rule** · Final rule; request for comments. · Published 2019-11-29 · Effective 2019-12-16 · 84 FR 65666
## Document
- **Document number:** 2019-25884
- **Category:** airworthiness
- **Manufacturer:** International Aero
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 84 FR 65666
- **Publication date:** 2019-11-29
- **Effective date:** 2019-12-16
- **FAA docket:** Docket No. FAA-2019-0995
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain International Aero Engines, LLC (IAE LLC) PW1122G-JM, PW1124G- JM, PW1124G1-JM, PW1127G1-JM, PW1127GA-JM, PW1127G-JM, PW1129G-JM, PW1130G-JM, PW1133GA-JM, PW1133G-JM model turbofan engines. This AD requires replacement of certain low-pressure turbine (LPT) 3rd-stage blades. This AD was prompted by multiple reports of LPT 3rd-stage blade failures causing a reduction of engine thrust. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/11/29/2019-25884/airworthiness-directives-international-aero-engines-llc-turbofan-engines)
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