AD 91-03-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | EADS CASA | C-212-CB | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-CC | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-CD | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-CE | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-CF | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-DE | Airworthiness Directives; CASA Model C-212 Series Airplanes |
| aircraft | EADS CASA | C-212-DF | Airworthiness Directives; CASA Model C-212 Series Airplanes |
Unsafe Condition
Reduced controllability of the airplane due to the possibility of the propeller speed and pitch control system being moved into reverse thrust while in flight or adjusting propeller pitch settings for ground operation during flight.
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Required Actions
Modify the propeller speed and pitch control system to prevent movement into reverse thrust during flight and ground operation adjustments while in flight, following CASA Service Bulletin 212-76-07 or an approved method. An alternate means of compliance or adjusted time may be approved by the FAA Manager, Standardization Branch.
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Compliance Time
Within 60 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
CASA Model C-212 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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