AD 2016-05-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | S | Airworthiness Directives; Turbomeca S.A. Turboshaft Engines |
Unsafe Condition
Failure of the centrifugal compressor inducer, which could lead to an uncontained blade release, damage to the engine, and damage to the airplane.
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Required Actions
Remove the TU 197 and TU 215 standard centrifugal compressors and install the TU 224 standard centrifugal compressor. Perform initial and repetitive ultrasonic or eddy current inspections (UIs/ECIs) and borescope inspections (BSIs) of the centrifugal compressor inducer. Replace the centrifugal compressor if any crack, corrosion, or other damage is detected during inspections.
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Compliance Time
Within 30 days after the effective date of this AD.
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Affected Aircraft
Turbomeca S.A. Turmo IV A and IV C turboshaft engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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