AD 2007-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330 and A340 | Airworthiness Directives; Airbus Model A330 and A340 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A330 and A340 Airplanes |
Unsafe Condition
Erratic motion of the rudder due to degradation of the BCM piloting laws, potentially leading to reduced controllability of the airplane due to Dutch Roll characteristics.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a repetitive ground operational test of the BCM fitted with resistors manufactured by SRT until the installation of a BCM fitted with resistors manufactured by VISHAY. The test must be conducted within 900 flight hours after the effective date of the AD and repeated at intervals not exceeding 900 flight hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 900 flight hours after the effective date of the AD, and thereafter at intervals not exceeding 900 flight hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Model A330 airplanes with Modification 49144 installed in production but without Production Modification 55185 or Airbus Service Bulletin A330-27-3142 installed in-service; Airbus Model A340-200 and -300 series airplanes with Modification 49144 installed in production but without Production Modification 55185 or Airbus Service Bulletin A340-27-4142 installed in-service; Airbus Model A340-500 and -600 series airplanes without Production Modification 55186 or Airbus Service Bulletin A340-27-5036 installed in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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