AD 2007-12-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Various | Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate No. A00010WI Previously Held by Raytheon Aircraft Company) Model 390 Airplanes |
| aircraft | Beechcraft | Various | Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate No. A00010WI Previously Held by Raytheon Aircraft Company) Model 390 Airplanes |
Unsafe Condition
Failure of the hydraulic pump outlet tubes could cause flammable fluid leakage in the engine nacelle, potentially resulting in a fire. There is also a risk of loss of hydraulic system functions including normal gear extensions, speed brakes, roll spoilers, lift dump, and normal brakes.
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Required Actions
Incorporate Kit No. 390-5804-0001, which replaces the pulse dampener brackets with stiffer brackets and a spacer on both engines. Incorporate Kit No. 390-5805-0001, which replaces the hydraulic pump outlet tubes with integral firesleeve hoses. Retain the AFM limitation that limits operation of an engine with its associated firewall hydraulic shutoff valve closed.
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Compliance Time
Within 12 months of the effective date of this AD.
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Affected Aircraft
Hawker Beechcraft Corporation (Type Certificate No. A00010WI, previously held by Raytheon Aircraft Company) Model 390 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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