AD 99-04-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330-202 | Airworthiness Directives; Airbus Model A330 and A340 Series Airplanes |
| 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
Failure of the main landing gear (MLG) retraction bracket assemblies due to embedded hot material particles affecting fatigue life and fretting on bushing holes, which could result in undampened extension of the MLG, damage to the sidestay and attachment structure, and possible collapse of the MLG.
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Required Actions
Conduct a one-time operational test to detect discrepancies of the MLG delay valves and check valves, and perform corrective actions if necessary. Replace the MLG retraction bracket assemblies with new or reworked assemblies as specified in the referenced Airbus service bulletins.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Model A330-202, A330-301, A340-211, A340-212, A340-213, A340-311, A340-312, A340-313 airplanes with retraction bracket part numbers listed in Airbus Service Bulletins A330-32-3058 or A340-32-4082, excluding those already addressed by the service bulletins.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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