Document ID: chunk:federal_register_of_legislation:F2006B11005:body:0
Version: federal_register_of_legislation:F2006B11005
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Character Range: 0–755

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/12
 Amdt 1

 Fifteenth Stage Compressor Discs 9/89

 Applicability: JT9D-3A, -7, -7A, -7H, -7AH, -7A(SP), -7F, -7J, -20, -20J.

            Requirement: Inspect 15th stage compressor discs P/N 658615 and 672915 in accordance with the requirements of PWA SB No.4908 Rev.1.

 Compliance: As detailed in the Requirement document.

 Background: This Directive has been amended to reflect the manufacturers latest revision to S.B.
            4908. The revision, in part, reduces the initial inspection requirement from 6,500 cycles to 3,500 cycles.