AD 79-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 441 | Airworthiness Directives; CESSNA Model 441 Airplanes |
Unsafe Condition
Improper drainage of the aileron control surfaces could lead to moisture accumulation, potentially causing control surface malfunction.
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Required Actions
Drill new drain holes in the ailerons per Cessna Propjet Service Information Letter PJ 79-3, or an equivalent method approved by the FAA. Compliance must be completed within 100 hours time-in-service after the effective date.
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Compliance Time
within the next 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Cessna Model 441 airplanes with serial numbers 441-0001 through 441-0090
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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