Commonwealth legislation

AD/SC7/25 - Brake Unit Friction Pads

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Mandates that operators of Shorts Skyvan and Shorts Skyliner aeroplanes fitted with Dunlop brake units AHA2133 or AH52109 carry out the work set out in Dunlop Mandatory Service Bulletin 32-1108. Mechanically, it reduces the allowable friction-pad wear limit for those brake units so the brakes can meet required high-energy and rejected-takeoff stopping performance. Operators must comply by 31 December 1995 if not already done and thereafter follow the service bulletin's ongoing instructions; costs and maintenance effort fall to the aircraft owners/operators.

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AD/SC7/25 - Brake Unit Friction Pads

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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 SC7 (Skyvan) Series Aeroplanes

AD/SC7/25 Brake Unit Friction Pads 2/96

Applicability: All Shorts Skyvan and Shorts Skyliner aircraft, with Dunlop Brake Unit Part No.

AHA2133 or AH52109 installed.

Requirement: Action in accordance with Dunlop Limited Mandatory Service Bulletin 32-1108.

Note: Shorts Service Bulletin 32-71 refers.

Compliance: Unless already accomplished, before 31 December 1995; thereafter as specified in the Requirement Document.

Background: A new friction pad material has been introduced because of the unavailability of the previously used material. Dynamometer tests have now shown that the permitted friction pad wear must be reduced to make sure that the brake can achieve a maximum high energy or rejected take-off stop.

Source text

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