Commonwealth legislation

AD/SD3-60/51 - Elevator Control Torque Tube Bearing Housing

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legislative instrument

Plain English Summary

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The AD mandates that every Shorts SD3-60 aircraft comply with Manufacturer’s Mandatory Service Bulletin SD360-27-28 by 25 September 1999 (effective 25 March 1999). It was issued after discovery of loose bolts on the elevator control torque-tube bearing-housing retaining plate and makes the service bulletin’s corrective work compulsory.

Owners/operators and their maintenance organisations must arrange and fund the required inspections/repairs, which will cause maintenance downtime and associated costs.

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AD/SD3-60/51 - Elevator Control Torque Tube Bearing Housing

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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 Short SD3-60 Series Aeroplanes

AD/SD3-60/51 Elevator Control Torque Tube Bearing Housing 3/99

Applicability: All SD3-60 aircraft.

Requirement: Action in accordance with Shorts Mandatory Service Bulletin SD360-27-28. Compliance: Before 25 September 1999.

This Airworthiness Directive becomes effective on 25 March 1999.

Background: Experience shows that existing bolts securing elevator control torque tube bearing housing retaining plate to pilots seat pedestal have been found loose, probably because the significance of the structure was not recognised during maintenance.

Source text

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