AD 95-18-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking Air Limited | DHC-6-1 | Airworthiness Directives; de Havilland DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-100 | Airworthiness Directives; de Havilland DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-200 | Airworthiness Directives; de Havilland DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-300 | Airworthiness Directives; de Havilland DHC-6 Series Airplanes |
Unsafe Condition
Failure of the elevator root rib could result in loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the elevator root rib as terminating action for repetitive inspections per Modification No. 6/1769 and Service Bulletin No. 6/399, Revision E. Inspect the elevator root rib for cracks and replace any cracked parts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 100 hours time-in-service after the effective date of the AD (October 26, 1995) for Models DHC-6-100 and DHC-6-200. For Model DHC-6-300, inspect within 50 hours time-in-service after the effective date and thereafter at 600-hour time-in-service intervals until the elevator root rib is replaced upon accumulation of 15,000 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Viking Air Limited DHC-6-1, DHC-6-100, DHC-6-200, DHC-6-300 airplanes (all serial numbers) without Modification No. 6/1769.
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.