AD 85-01-05

final rule
Data completeness: 70%

Airworthiness Directives; BRITISH AEROSPACE Model 125 800A Series Airplanes

AD Number
85-01-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. BAe.125 Series 800A Airworthiness Directives; BRITISH AEROSPACE Model 125 800A Series Airplanes

Unsafe Condition

Improper wiring in the engine fire protection system could result in the wrong fire bottle operating, leading to lack of engine fire protection.

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

Required Actions

Inspect and rewire, if necessary, the electrical circuits of the engines' fire protection system in accordance with British Aerospace 125 Service Bulletin 26-A25(253028). Special flight permits may be issued to operate airplanes to a base for accomplishing inspections. Alternate actions approved by the Manager, Seattle Aircraft Certification Office may be used.

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

Compliance Time

Within ten (10) hours time in service 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 125 800A series airplanes with manufacturer serial numbers 258003 through 258020

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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