AD 2009-15-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A319 | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A319, A320, and A321 Series Airplanes |
Unsafe Condition
An uncommanded steering condition during takeoff or landing, which could result in departure of the airplane from the runway.
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Required Actions
Replace or modify the Braking and Steering Control Unit (BSCU) standard 7, 9, or 9.1 with BSCU standard 10. Replace certain DUNLOP tires that are not compatible with BSCU standard 10.
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Compliance Time
Within 12 months of the effective date (August 25, 2009).
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Affected Aircraft
Airbus Model A319, A320, and A321 series airplanes equipped with one conventional pre-Enhanced Manufacture and Maintainability (pre-EMM) Braking and Steering Control Unit (BSCU) with part numbers C20216332292C (standard 7), C202163372D32 (standard 9), or C202163382D32 (standard 9.1).
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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