AD 2018-02-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International Inc | Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines |
Unsafe Condition
Combustion chamber case assemblies have cracked and ruptured due to high stresses in the as-designed weld joints and contributing factors due to repair weld quality, poor maintenance and inspection practices, and cycles-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the affected combustion chamber case assembly, 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
Before further flight
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Affected Aircraft
Honeywell International Inc. TPE331 turboprop and TSE331 turboshaft engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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