AD 2020-19-07

final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.a. Helicopters

AD Number
2020-19-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2020-0258
FR Citation
85 FR 59411

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 60 hours time-in-service (TIS)

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

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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