AD 89-21-08

final rule
Data completeness: 70%

Airworthiness Directives; CASA Model C-212 Series Airplanes

AD Number
89-21-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
89-NM-125-AD:
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 60 days after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

All Model C-212 series airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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