AD 2006-02-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Aircraft Company Model 390 | Airworthiness Directives; Raytheon Aircraft Company Model 390 Airplanes |
Unsafe Condition
Failure of the hydraulic tube assembly (P/N 390-580035-0001 or P/N 390-580035-0005) and clamp (P/N MS21919WCJ6 or P/N MS21919WCJ7), which can lead to in-flight loss of hydraulic fluid, loss of hydraulic system functions, and risk of fire due to flammable fluid leakage in the engine nacelle.
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Required Actions
Visually inspect the hydraulic tube assembly and clamp as specified in the service information. Replace the clamp at each inspection. Replace the hydraulic tube assembly immediately if any problems identified in the service bulletin are found. Report the results of each inspection or replacement to the FAA.
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Compliance Time
Before further flight
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Affected Aircraft
Raytheon Aircraft Company Model 390 airplanes, serial numbers RB-1 through RB-49, equipped with Kit 390-580035-0001 or Kit 390-580035-0005.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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