AD 2012-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
In a specific failure case of the upper primary attachment of the trimmable horizontal stabilizer actuator (THSA), the THSA upper secondary attachment engages because it can only withstand the loads for a limited period of time.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install 3 retention plates for the gimbal bearings on the THSA upper primary attachment, in accordance with Airbus Mandatory Service Bulletin A300-27-0204.
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Compliance Time
Within 30 months after the effective date of this AD.
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Affected Aircraft
All Airbus Model A300 B2-1C, B2K-3C, B2-203, B4-2C, B4-103, and B4-203 airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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