AD 92-26-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | EADS CASA | CN-235 | Airworthiness Directives; CASA Model CN-235, CN-235-100, and CN-235-200 Series Airplanes |
| aircraft | EADS CASA | CN-235-100 | Airworthiness Directives; CASA Model CN-235, CN-235-100, and CN-235-200 Series Airplanes |
| aircraft | EADS CASA | CN-235-200 | Airworthiness Directives; CASA Model CN-235, CN-235-100, and CN-235-200 Series Airplanes |
Unsafe Condition
Flap separation and loss of roll control due to unsymmetrical wing surfaces.
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Required Actions
Perform detailed visual inspections of the flap track support structure for cracks and corrosion per CASA Maintenance Instructions 235-58. Replace cracked or corroded parts before further flight if found. Operators may seek alternative methods of compliance through approved channels.
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Compliance Time
Within 12 months after the effective date (January 12, 1993) or at the next 'C' check, whichever occurs first, and thereafter every 12 months for airplanes with ≤2,000 hours time-in-service as of the effective date. For those with >2,000 hours, within 100 hours time-in-service after the effective date, then every 12 months.
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Affected Aircraft
EADS CASA Model CN-235, CN-235-100, and CN-235-200 series airplanes certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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