AD 2012-26-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A318 | Airworthiness Directives; Airbus Airplanes |
Unsafe Condition
Blockage of Angle of Attack (AoA) sensors installed with conic plates during climb, leading to autopilot disconnection and activation of alpha protection (Alpha Prot) when Mach number is increased, which could result in reduced control of the airplane.
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Required Actions
Revise the Emergency Procedures section of the AFM to incorporate Airbus Temporary Revision TR286, Issue 1.0, dated December 17, 2012, to advise flight crews of emergency procedures for addressing AoA sensor blockage. Optional terminating action involves replacing AoA sensor conic plates with flat plates.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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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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