Commonwealth legislation

AD/CJ610/6 - Stage 2 Turbine Wheels

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This Act has been repealed and is no longer in force. It is retained for historical reference.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

1/10 complexity

What this is: An urgent safety order issued by the Civil Aviation Safety Authority (CASA) under aviation regulations.

What it does: Requires immediate removal from service of specific Stage 2 turbine wheels in General Electric CJ610 jet engines. The affected wheels (part number 646C596P2 with specific serial numbers listed in the referenced technical document) have a manufacturing defect in the "forward rabbet radius" (a curved groove at the front of the wheel) that could cause premature failure.

Who it affects: Aircraft owners and operators using CJ610-1, -4, -5, or -6 model engines fitted with the specified turbine wheels.

What you must do: Comply "forthwith" (immediately) by removing the affected wheels from service in accordance with General Electric Service Bulletin CJ610-72-143 or Airworthiness Directive AD/GE-T/42.

Why it matters: The imperfect contour in the wheel could limit its operational life, potentially leading to catastrophic engine failure and endangering flight safety.

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Current sections

Direct links to the current provisions in AD/CJ610/6 - Stage 2 Turbine Wheels.

AD/CJ610/6 - Stage 2 Turbine Wheels

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source General Electric Turbine Engines - CJ610 Series

AD/CJ610/6 Stage 2 Turbine Wheels 9/85

Applicability: CJ610-1, -4, -5, -6 engines fitted with P/N 646C596P2 turbine wheels having S/Nos. as listed in requirement document.

Document: General Electric SB (CJ610) 72-143; or

AD/GE-T/42

Compliance: Forthwith.

Background: A small number of stage 2 wheels may have imperfect contours in the forward rabbet radius that could limit the life of the wheel. This Directive is issued to ensure such wheels are removed from service.

Source text

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