# Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
> **Rule** · Final rule. · Published 2018-01-24 · Effective 2018-02-28 · 83 FR 3263
## Document
- **Document number:** 2018-01228
- **Category:** airworthiness
- **Manufacturer:** Honeywell International Inc. Turboprop and Turboshaft
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 3263
- **Publication date:** 2018-01-24
- **Effective date:** 2018-02-28
- **FAA docket:** Docket No. FAA-2016-9418
## Abstract

We are adopting a new airworthiness directive (AD) for certain Honeywell International Inc. (Honeywell) TPE331 turboprop and TSE331 turboshaft engines. This AD was prompted by reports that combustion chamber case assemblies have cracked and ruptured. This AD requires inspection of the affected combustion chamber case assembly, replacement of those assemblies found cracked, and removal of affected assemblies on certain TPE331 and TSE331 engines. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/01/24/2018-01228/airworthiness-directives-honeywell-international-inc-turboprop-and-turboshaft-engines)
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