AD 74-08-11
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
Rivet failures in the side seat rail attachment structure of inward facing seats forward of the right-hand cabin door between Fuselage Stations 239.0 and 290.3.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect in accordance with de Havilland Service Bulletin No. 6/302 within 200 hours in service after the effective date. Alter as necessary per the Service Bulletin or approved equivalent. Future installations must use attachments per the Service Bulletin's Details 'A', 'B', 'C', and 'D' or approved equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 200 hours 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 with Serial Numbers 136 to 350 inclusive, 353, 356, 360 to 366 inclusive, and 368.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.