# Airworthiness Directives; General Electric Company Engines
> **Rule** · Final rule. · Published 2025-03-13 · Effective 2025-04-17 · 90 FR 11896
## Document
- **Document number:** 2025-03987
- **Category:** airworthiness
- **Manufacturer:** General Electric Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 90 FR 11896
- **Publication date:** 2025-03-13
- **Effective date:** 2025-04-17
- **FAA docket:** Docket No. FAA-2024-2547
## Abstract

The FAA is adopting a new airworthiness directive (AD) for all General Electric Company (GE) Model CT7-2E1 engines. This AD was prompted by a revised analysis using an updated stress model, which calculated that the actual life limit of the CT7-2E1 stage 2 turbine aft cooling plate is less than the current life limit. This AD requires revision of the airworthiness limitations section (ALS) of the existing CT7-2E1 engine maintenance manual (EMM) and the operator's existing approved maintenance program or inspection program, as applicable, to incorporate a reduced life limit for this part. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/03/13/2025-03987/airworthiness-directives-general-electric-company-engines)
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