Document ID: chunk:federal_register_of_legislation:F2006B11012:body:0
Version: federal_register_of_legislation:F2006B11012
Segment Type: other
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Character Range: 0–971

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/19
 Amdt 2

 Surge Margin Improvements 3/93

 Applicability: JT9D-7R4D, E series engines installed in Boeing B767 aircraft.

            Requirement: Action in accordance with FAA Airworthiness Directive 90-14-08, paragraphs (a), (b), (c), (d), (e), (f), (g), (h) and (i).

            For the purpose of this Directive, compliance with the requirements of PWA SB JT9D-7R4-75-101 is deemed to be an alternative method of compliance with the requirements of FAA AD 90-14-08, paragraph (d), (2).

 Compliance: As detailed in the requirement document, with an effective date of 4 March 1993.

            Background:  This Directive has been amended to reflect the release of an additional procedure which, if incorporated, will improve the JT9D-7R4 surge margin.