AD 75-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking Air Limited | DHC-6-1 | Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft |
| aircraft | Viking Air Limited | DHC-6-100 | Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft |
| aircraft | Viking Air Limited | DHC-6-200 | Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft |
| aircraft | Viking Air Limited | DHC-6-300 | Airworthiness Directives; de Havilland Model DHC- 6 Series Twin Otter Aircraft |
Unsafe Condition
Failure of the right hand aileron control cable through contact with DC electrical power cable coded 2P66A8.
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Required Actions
Within 100 hours' time in service after the effective date, alter the attachment of terminal block TB-17 and route the cable harness to terminal blocks TB-17 and TB-18 per de Havilland Service Bulletin No. 6/304, Revision B, dated June 28, 1974, or an approved equivalent. Compliance time may be increased upon request with substantiating data through an FAA inspector.
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Compliance Time
Within the next 100 hours' time in service after the effective date of this A.D.
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Affected Aircraft
de Havilland Model DHC-6 Series Twin Otter Aircraft, Serial Nos. 1 through 135 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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