AD 2023-19-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. and de Havilland Inc. | Various | Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes |
| aircraft | Bombardier | Inc | Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes |
| aircraft | Viking | Various | Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes |
| aircraft | de Havilland | Inc | Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes |
Unsafe Condition
Corrosion-related degradation of the aileron mass balance weight arms, which could lead to structural failure and consequent loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate into existing maintenance records the actions, thresholds, and intervals specified in Viking PSM 1-2-5, Revision 1, including life limits. Complete all initial tasks identified in the manual. Report Level 2 or Level 3 corrosion findings to Viking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (November 6, 2023).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Viking Air Limited (formerly Bombardier Inc. and de Havilland Inc.) Model DHC-2 'Beaver' 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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