AD 69-05-01 R2
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking Air Limited | DHC-6-1 | Airworthiness Directives; de Havilland Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-100 | Airworthiness Directives; de Havilland Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-200 | Airworthiness Directives; de Havilland Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-300 | Airworthiness Directives; de Havilland Model DHC-6 Series Airplanes |
Unsafe Condition
Cracks in the control column lower sub-assembly, part number C3CF39-17, could result in loss of control column operation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the control column lower sub-assembly (P/N C3CF39-17) for cracks. Replace cracked parts with P/N C3CF39-17 or equivalent approved part. The inspection interval may be increased with FAA approval and replacement with P/N C3CF39-19 (per S/B 6/180) discontinues the inspection requirement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to next flight unless accomplished within the last 50 hours time in service, and at intervals thereafter not to exceed 100 hours time in service from the last inspection.
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Affected Aircraft
Viking Air Limited DHC-6-1, DHC-6-100, DHC-6-200, DHC-6-300 airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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