AD 2017-14-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A318 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Loss of elevator servo control monitoring performed by SEC 1, SEC 2, or both, during engine start, which could lead to an undetected loss of redundancy during flight if an affected SEC cannot control the related elevator servo control(s), possibly resulting in reduced control of the airplane.
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Required Actions
Install new updated SEC software. Revise the After Start Normal Procedures section of the airplane flight manual (AFM) to address latent failures in the spoiler and elevator computer (SEC).
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Compliance Time
Within 3 months of the effective date.
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Affected Aircraft
All Airbus Model A318, A319, A320, and A321 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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