AD Amdt-39-10262
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerospatiale | Model ATR42-300 and ATR42- 320 Series | Airworthiness Directives; Aerospatiale Model ATR42-300 and ATR42- 320 Series Airplanes |
Unsafe Condition
Fatigue cracking of the lower lugs of the barrel of the main landing gear (MLG), which could lead to the collapse of the MLG.
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Required Actions
Conduct repetitive ultrasonic inspections of the lower lugs of the MLG barrel at intervals of 900 landings. Replace cracked lower lugs with new or serviceable parts and perform a follow-on inspection. Optional modification per Messier-Dowty Service Bulletin 631-32-133 terminates repetitive inspections.
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Compliance Time
Before further flight
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Affected Aircraft
All Aerospatiale Model ATR42-300 and ATR42-320 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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