Commonwealth legislation

AD/BAe 146/45 - Airbrake Feedback Spring

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD mandates that operators of BAe 146 aeroplanes fitted with specified Servo‑Valve assemblies (including Abex P/N 72189 in a stated serial‑number range) carry out the work detailed in BAe Service Bulletin 27‑133 to inspect/rectify a potentially fractured airbrake feedback spring. It’s compulsory, must be completed by 30 June 1993, and affects operators’ maintenance planning, parts costs and aircraft downtime.

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AD/BAe 146/45 - Airbrake Feedback Spring

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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 146 Series Aeroplanes

AD/BAe 146/45 Airbrake Feedback Spring 5/93

Applicability: All BAe 146 series aircraft fitted with Servo-Valve assemblies P/N 3799H1 (Fairy Hydraulics) incorporating Servo-Valve P/N 72189 (Abex) in the S/N range as specified in the Requirement Document.

Requirement: Action in accordance with BAe 146 mandatory Service Bulletin 27-133.

Note: UK CAA AD 018-01-92 and DGAC 92-096-IMP(B) refer.

Compliance: By 30 June 1993.

Background: Advice has been received that due to faulty manufacture the Servo-Valve feedback spring may be fractured.

Source text

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