AD 84-03-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | HS.125 Series 600A | Airworthiness Directives; BRITISH AEROSPACE Model HS125 Airplanes Series 1A, 400A, 600A and 700A Airplanes |
| aircraft | Textron Aviation Inc. | HS.125 Series 700A | Airworthiness Directives; BRITISH AEROSPACE Model HS125 Airplanes Series 1A, 400A, 600A and 700A Airplanes |
Unsafe Condition
Loss of power to both engine fuel computers due to a single fuse failure.
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Required Actions
Modify the engine fuel computers' direct current power supply electrical circuits in accordance with British Aerospace Service Bulletin 24-225-(2747), paragraph 2. Alternate means of compliance may be used if approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199.
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Compliance Time
Within the next 500 hours time in service or one year, whichever occurs first after the effective date of this AD.
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Affected Aircraft
British Aerospace Model HS125 airplanes series 1A with modifications 251867 and 252605, series 400A with modification 252550, series 600A with modification 252468, and series 700A. Serial numbers listed in Service Bulletin 24-225-(2747).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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