AD 2017-05-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada | Airworthiness Directives; Bell Helicopter Textron Canada Helicopters |
| aircraft | Bell | Helicopter Textron Canada | Airworthiness Directives; Bell Helicopter Textron Canada Helicopters |
Unsafe Condition
The condenser blower motor may not be securely attached to the blower support (shroud), potentially leading to detachment and subsequent damage to critical flight control components.
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Required Actions
Inspect the condenser blower motor for secure attachment to the shroud and for missing or loose fasteners. If the motor is not attached or fasteners are missing/loose, deactivate the air conditioning system. Inspect the collective flight control tube, forward transmission cowling area, and wiring harnesses for damage and repair or replace as necessary. Remove any detached hardware found. Report findings to the FAA within 10 days.
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Compliance Time
Before further flight and at intervals not exceeding 25 hours time-in-service (TIS)
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Affected Aircraft
Bell Helicopter Textron Canada Model 429 helicopters equipped with Air Comm Corporation air conditioning system part numbers 429EC-200 or 429EC-202.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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