AD 2005-12-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna | Aircraft Company Models 401 | Airworthiness Directives; Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 411, and 411A Airplanes |
Unsafe Condition
Fatigue cracks in the wing spar lower cap areas could lead to wing spar cap failure, resulting in loss of a wing and consequent loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitively inspect the wing spar caps for fatigue cracks and repair or replace the wing spar caps as necessary. Incorporate a spar strap modification on each wing spar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 411, and 411A 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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