AD 71-14-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking Air Limited | DHC-6-1 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-100 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-200 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-300 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
Unsafe Condition
Possible explosion in bays 9 and 10 due to the operation of electrical components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the JB Systems air conditioner by disconnecting power at the distribution bus until the F.S. 281 bulkhead and other areas are sealed per JB Systems, Inc. Service Bulletin No. 011 or equivalent approved process.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
de Havilland Model DHC-6 Series airplanes modified with JB Systems, Inc. STC SA1837WE
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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