AD 2006-12-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | HS | Airworthiness Directives; Raytheon Model HS.125 Series 700A and 700B Airplanes; Model BAe.125 Series 800A (Including Variants C-29A and U-125), 800B, 1000A, and 1000B Airplanes; and Hawker 800 (Including Variant U-125A), 800XP, and 1000 Airplanes |
Unsafe Condition
Certain current limiters, part number UAM100, have opened within two to four hours after installation, potentially leading to loss of all primary electrical power.
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Required Actions
Measure the resistance of the current limiters for the PE, PS1, and PS2 busses. Replace a current limiter with a new part if necessary. Report certain information to the airplane manufacturer. A records review may exempt airplanes from the required measurement if specific conditions are met.
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Compliance Time
Before further flight
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Affected Aircraft
Raytheon Model BAe.125 Series 800A (including variants C-29A and U-125), 800B, 1000A, and 1000B airplanes; Model Hawker 800 (including variant U-125A) and 1000 airplanes; and certain Raytheon Model HS.125 Series 700A and 700B airplanes and Model Hawker 800XP airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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