AD 2020-19-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Leonardo | S.p.a. | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
an improperly tightened weight on wheels (WoW) support resulting in a rotation of the support and improper WoW switch performance, which if not corrected could lead to degraded attitude stabilization, and subsequent loss of control of the helicopter.
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Required Actions
Performing a short circuit connection between pin 26 of connector J343 and pin N of connector J319, removing the WoW support from the MLG, removing any paint and cleaning areas, applying Alodine and a 10mm strip of structural glue, curing the glue, torqueing the nut, performing a microswitch adjustment, and marking the MLG nameplate.
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Compliance Time
within 60 hours time-in-service (TIS)
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Affected Aircraft
Leonardo S.p.a. Model AW169 helicopters, certificated in any category, with left-hand (LH) main landing gear (MLG) assembly, part number (P/N) 6F3210V00132 or P/N 6F3210V00133, with serial number (S/N) MN01 through MN84 inclusive, or right-hand (RH) MLG assembly, P/N 6F3210V00232 or P/N 6F3210V00233, with S/N MN01 to MN81 inclusive, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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