Commonwealth legislation

AD/HS 125/131 - Hydraulic System Accumulator

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Owners and operators of British Aerospace BAe 125 aeroplanes up to and including the 800 series must, by 31 August 1993, comply with section 2 of Mandatory Service Bulletin No 29-89-3269A. The directive makes those service instructions mandatory to have hydraulic accumulators charged with nitrogen, addressing a risk that hydraulic fluid contamination could cause compression ignition.

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AD/HS 125/131 - Hydraulic System Accumulator

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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 125/131 Hydraulic System Accumulator 12/92

Applicability: All model 125 up to and including the 800 series aircraft.

Requirement: Unless previously carried out, action in accordance with “2. Accomplishment Instructions” contained in Mandatory Service Bulletin No 29-89-3269A.

Note: Compliance with this SB has been classified as Mandatory by the UK CAA.

Compliance: Prior to 31 August 1993.

Background: Due to possible hydraulic fluid contamination of the accumulator air charge, resulting in possible compression ignition, the accumulators are to be charged with nitrogen.

Source text

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