AD 2018-17-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines |
Unsafe Condition
The affected combustion chamber case assemblies installed on certain TPE331 and TSE331 engines may crack, leading to engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the affected combustion chamber case assemblies, replace those assemblies found cracked, and remove affected assemblies on certain TPE331 and TSE331 engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
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Affected Aircraft
Honeywell International Inc. TPE331 turboprop and TSE331 turboshaft engines, including the TPE331-12B engine model.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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