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.

Boeing 767 Series Aeroplanes

AD/B767/157 Slat Track Housing Drain Tube 11/2001

Applicability: Model 767 series aircraft, line numbers 1 through 757.

Requirement: Action in accordance with the technical requirements of FAA AD 2001-14-19 Amdt 39-12330.

Note: Boeing Service Bulletins 767-57A0060 Revision 1 and 767-57-0068 refer.

Compliance: As specified in the Requirement document with a revised effective date of 1 November 2001.

This Airworthiness Directive becomes effective on 1 November 2001.

Background: Operators reported fuel leaks from slat track housing drain tubes where the tube penetrates the lower wing skin. Further investigation revealed the fuel leaks originated from a crack in the drain tubes. Additionally, after production incorporation of new slat track housing drain tubes, the manufacturer determined that the installation did not meet current required bonding specifications.

David Alan Villiers

Delegate of the Civil Aviation Safety Authority 19 September 2001

The above AD is notified in the Commonwealth of Australia Gazette on 10 October 2001.

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