AD 2018-19-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking | Air Limited | Airworthiness Directives; Viking Air Limited Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Viking Air Limited Airplanes |
Unsafe Condition
Cracking found in the wing rear spar web at the wing station where the flap outboard hinge is attached. Undetected cracking of the wing rear spar or flap/aileron hinge bracket may lead to the failure of the component with consequent loss of aeroplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the left-hand and right-hand wing rear spar and the flap/aileron hinge air support brackets for cracks, damage, or discrepancies and repairing or replacing any parts with cracks, damage, or discrepancies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 400 hours time-in-service (TIS) or 6 months, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Viking Air Limited Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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