Commonwealth legislation

AD/PA-31/111 - Hydraulic Hose

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What this means for aircraft owners: If you operate a Piper PA-31 series aircraft, you must inspect and potentially replace specific hydraulic hoses in your plane's control system.

The problem: Some hydraulic hoses were manufactured with material that cannot withstand the normal operating pressure of the aircraft's hydraulic system. This creates a risk of hose failure and potential loss of hydraulic control.

What you must do:

Follow the instructions in Piper Service Bulletin No. 822 (a manufacturer-issued technical directive)
Complete the required action within 25 hours of flight time after 19 May 1986

Who this affects: All Piper PA-31 model aircraft listed in the referenced Requirement Document (associated with the Service Bulletin).

Why it matters: This is a mandatory safety directive issued by the Civil Aviation Safety Authority. Non-compliance breaches civil aviation regulations and creates serious flight safety risks.

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AD/PA-31/111 - Hydraulic Hose

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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 Piper PA-31 Series Aeroplanes

AD/PA-31/111 Hydraulic Hose 6/86 DM

Applicability: All models listed in the Requirement Document. Requirement: Action in accordance with Piper Service Bulletin No. 822. Compliance: Within 25 hours time in service after 19 May 1986.

Background: A group of hydraulic hoses were manufactured using material that does not meet the pressure requirements for operation in the aircraft hydraulic system.

Source text

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