AD 2011-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Piaggio Aero Industries S.p.A. Airplanes |
Unsafe Condition
Some lock sleeves (part number 114146681), installed in some Main Landing Gear (MLG) actuators, were incorrectly manufactured. If left uncorrected, this could lead to failure to lock the MLG actuator or its unlock from the correct position, with subsequent possible damage to the airplane and injuries to occupants during landing.
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Required Actions
Replace defective MLG actuators with serviceable ones. Defective actuators can be repaired by the manufacturer and identified with the 'P180-32-29' marking on the name plate.
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Compliance Time
Before affected MLG actuators reach 3000 landings, or before 3000 flight hours time-in-service if landing data are not available.
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Affected Aircraft
Piaggio Aero Industries S.p.A. Model P-180 airplanes, all serial numbers, with specific Messier-Dowty main landing gear (MLG) actuators installed (part numbers 114346003 and 114346004 with listed serial numbers).
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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