AD Amdt-39-10771

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes

AD Number
Amdt-39-10771
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-310-AD
FR Citation
63 FR 50135

Applicability

TypeManufacturerModelDetails
aircraft Airbus A310 and A300-600 Airworthiness Directives; Airbus Model A310 and A300-600 Series Airplanes

Unsafe Condition

Desynchronization of the hydraulic control valves of the trimmable horizontal stabilizer (THS) actuator, which could result in runaway of the horizontal stabilizer to its full up or down position.

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

Required Actions

Replace the hydraulic motor of the THS with an improved motor, terminate repetitive inspections of the hydraulic control valves synchronization, and perform a functional test of the THS.

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

Compliance Time

Before further flight

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

Affected Aircraft

Airbus Model A310 and A300-600 series airplanes, including additional airplanes as expanded by this amendment.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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