AD 2017-19-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A318 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Wear of the trimmable horizontal stabilizer actuator (THSA), which could reduce the remaining life of the THSA, possibly resulting in premature failure and consequent reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive detailed inspections of certain THSAs for wear, and perform related investigative and corrective actions if necessary. Replace the THSA after reaching a certain life limit based on flight cycles. Install or revise service information as required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified compliance intervals as outlined in the AD.
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Affected Aircraft
Airbus Model A318, A319, A320, and A321 series airplanes, with specific model variants and serial ranges as detailed in the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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