AD 99-23-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | Hawker 1000 | Airworthiness Directives; Raytheon Model Hawker 1000 Series Airplanes |
Unsafe Condition
Improper routing of the PS wire bundle caused chafing against the forward ventral tank transfer/crossfeed valve, leading to an electrical short and failure of the landing light.
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Required Actions
Within 50 flight hours after the effective date, perform detailed visual inspections of the PS wire bundle, shielded wires to fuel probe 'G', and other wires in the forward wing spar/ventral tank area for chafing. Ensure minimum 0.25-inch clearance, install spiral wrap, repair or replace chafed wires using specified methods, and obtain FAA approval for repairs if needed.
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Compliance Time
Within 50 flight hours after the effective date
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Affected Aircraft
Raytheon Model Hawker 1000 series airplanes, serial numbers 258151, 258159, and 259003 through 259052 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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