AD 89-21-08
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
Airframe damage due to flutter caused by certain single failure conditions of the trim control system components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace elevator, rudder, and aileron trim control system components in accordance with CASA Service Bulletin 212-27-25, Revision 6, dated February 24, 1989. An alternate means of compliance or adjustment of the compliance time may be used if approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
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Compliance Time
within 60 days after the effective date of this AD
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Affected Aircraft
All 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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