COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Fokker F100 (F28 Mk 100) Series Aeroplanes

AD/F100/58 Engine- Operating Limits and Warnings 2/2003

Applicability: All Fokker 100 (F28 Mk 100) Series aeroplanes with Rolls Royce Tay 650-15 engines installed.

Requirement: Action in accordance with Netherlands AD ( BLA) 2002-119.

Note: Netherlands AD (BLA). 2002-119 refers.

Compliance: As detailed in the requirement document with a revised effective date of 20 February 2003.

This Airworthiness Directive becomes effective on 20 February 2003.

Background: Rolls Royce TAY engine as installed in Fokker 100 aircraft has low fan flutter margin and can result in fan blade failures when operated under certain speed ranges. This directive mandates installation of modified warning systems and introduces new engine operating limits and maintenance requirements. These are in addition to those mandated per AD/TAY/2 ( BLA 1997-119/2) and AD/F100/50 (BLA 2002-063).

Neville James Probert

Delegate of the Civil Aviation Safety Authority 9 January 2003

The above AD is notified in the Commonwealth of Australia Gazette on 29 January 2003.

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