AD 84-03-03

final rule
Data completeness: 70%

Airworthiness Directives; BRITISH AEROSPACE Model HS125 Airplanes Series 1A, 400A, 600A and 700A Airplanes

AD Number
84-03-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next 500 hours time in service or one year, whichever occurs first after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

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).

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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