Commonwealth legislation

AD/HS 748/2 - Aileron Cable Support Block

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Commonwealth

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legislative instrument

Plain English Summary

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This AD, issued by the Civil Aviation Safety Authority, requires fitting a support block beneath the crew-compartment floor on specified British Aerospace HS 748 aeroplanes (certain constructor numbers, excluding 1723–1727) to prevent the aileron cable loop fouling and risking aileron control.

Operators must have the modification installed per Jetstream Service Bulletin HS748-27-63 Rev 2 before 1 May 1995; owners/operators bear the cost and schedule downtime.

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AD/HS 748/2 - Aileron Cable Support Block

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source British Aerospace (Hawker Siddeley) HS 748 Series Aeroplanes

AD/HS 748/2 Aileron Cable Support Block 12/94

Applicability: Model HS748 aircraft prior to constructors number 1760, except constructors numbers 1723 through 1727.

Requirement: Action in accordance with Jetstream Aircraft Service Bulletin HS748-27-63 Rev 2.

Note: UK CAA AD 008-05-94 refers.

Compliance: Prior to 1 May 1995.

Background: The UK CAA requires the incorporation of Modification No 4602, which installs a support block to the pressure skin below the aileron cable loop under the crew compartment floor. This action is required to eliminate the possibility of the aileron cable fouling under certain aileron control wheel loading conditions.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.