AD 2015-02-10
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
Failed MS21042 locknuts on the horizontal stabilizer attach bracket, potentially due to hydrogen embrittlement during manufacturing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and replace the horizontal stabilizer attach bracket MS21042 locknuts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Viking Air Limited Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III airplanes, all serial numbers, certificated in any category.
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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