AD/JT9D/15 - High Pressure Turbine Airseal

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B11008 In force Legislative Instrument

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

 


Pratt and Whitney Turbine Engines - JT9D Series

 

AD/JT9D/15 High Pressure Turbine Airseal 12/86

TX

 

Applicability: JT9D-7R4D, E models.

 

Requirement: Carry out the requirements of Pratt and Whitney ASB JT9D-7R4-72-318, Paragraph 2 "Accomplishment Instructions".

 

Compliance: According to a program agreed to by the Secretary. Effective:  1 December 1986.

Background:  This Directive has been issued to require compliance with the Accomplishment Instructions of P.W.A. A.S.B. JT9D-7R4-72-318. The A.S.B. details inspection and modification of the high pressure turbine to preclude cracking of the stage 1-2 airseal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.