AD 2021-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
a short circuit caused by chafing of the electrical wiring in the overhead panel, which could cause damaged electrical wiring, possible fire in the overhead panel, and loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
an initial detailed inspection inside the overhead panel for certain helicopters, repetitive detailed inspections inside the overhead panel for all helicopters, and corrective actions if necessary, as specified in EASA AD 2021-0044, which include applying a white protective tape on the anchor nuts, replacement of incorrect length screws, replacement of damaged cables and fuses, rerouting of cable harnesses, replacement of supports, and removal and replacement of the white protective tape.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
all Leonardo S.p.a. Model AB139 and AW139 helicopters.
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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