Commonwealth legislation

AD/HS 125/56 - Aileron, Rudder & Elevator Trim Jack Input Gear Shafts - Inspection

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Commonwealth

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legislative instrument

Plain English Summary

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CASA requires operators of British Aerospace HS/DH/BH 125 series (up to series 700) to inspect the aileron, rudder and elevator trim jack input gear shafts at the next removal of the associated control surfaces, per British Aerospace Service Bulletin 27‑130 Rev. 1.

The measure responds to an in‑service trim jack input gear shaft failure and is implemented and funded by aircraft owners/operators, with compliance tied to existing control‑surface removals.

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AD/HS 125/56 - Aileron, Rudder & Elevator Trim Jack Input Gear Shafts - Inspection

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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 BAe 125 Series Aeroplanes

AD/HS 125/56 Aileron, Rudder & Elevator Trim Jack

Input Gear Shafts - Inspection Applicability: All HS/DH/BH125 aircraft all series up to and including series 700. Document: British Aerospace HS 125 SB No. 27-130, Rev. 1.

Compliance: At next removal of control surfaces.

Background: Failure of a trim jack input gear shaft has occurred in service.

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Source text

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