AD 2022-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
Damage and chafing of the forward cabin roof ceiling harnesses could lead to smoke and fire in the cockpit and possible reduced flight control during any phase of flight without any previous indications.
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Required Actions
Inspect the forward cabin roof ceiling harnesses installation in the area between STA 3120 and 3400, and depending on the results, inspect the harnesses for chafing and damage, inspect the torque tube C3 for damage, adjusting the strip installation, and contacting Leonardo for further instruction. Inspect the diode A77 harness installation in the area between STA 3400 and 3900 for chafing and damage, ensuring the minimum clearance between the harness and diode A77 and if necessary, re-routing the cable harnesses to meet the minimum clearance, visually inspect diode A77 for damage, and depending on the results, contacting Leonardo for further instruction.
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Compliance Time
Within 10 hours time-in-service
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Affected Aircraft
Leonardo S.p.a. Model AB139 and AW139 helicopters, serial-numbered helicopters, formerly Finmeccanica S.p.a, AgustaWestland S.p.A., Agusta S.p.A.; and AgustaWestland Philadelphia Corporation, formerly Agusta Aerospace Corporation.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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