AD 2017-05-51

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron Canada Helicopters

AD Number
2017-05-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0189
FR Citation
82 FR 17103

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

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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