AD 98-03-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330-301 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-211 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-212 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-213 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-311 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-312 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| aircraft | Airbus | A340-313 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
Unsafe Condition
Anomalies in the software associated with the brake and steering control unit (BSCU) could result in insufficient braking capability, increasing the potential for landing overrun.
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Required Actions
Revise the Airplane Flight Manual (AFM) to prohibit autobrake use on contaminated runways. Replace the brake and steering control unit (BSCU) with an improved S6D standard BSCU. For airplanes with Bendix brakes, install improved Bendix brakes prior to or concurrently with BSCU replacement.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A330-301, A340-211, A340-212, A340-213, A340-311, A340-312, A340-313 airplanes on which Airbus Modification 45006 has not been accomplished.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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