Document ID: chunk:federal_register_of_legislation:F2006B11007:body:0
Version: federal_register_of_legislation:F2006B11007
Segment Type: other
Provision Reference: 
Character Range: 0–905

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/14
 Amdt 1

 Diffuser Case Rear Rail Cracking 6/93

 Applicability: JT9D-7, 7A, -7H, -7AH, -7F, -7J.

            Requirement: Inspect the diffuser case rear rail for cracking in accordance with Pratt and Whitney Service Bulletin 5591 Revision 7.

            Note: FAA AD 86-11-04 refers.

 Compliance: Effective 27 May 1993: As detailed in the requirement document.

            Background:  This Directive has been amended to reflect the manufacturer's latest revision to the requirement document. The revision, in part, introduces a new Eddy Current Inspection (ECI) probe and reduced inspection intervals for diffuser cases with weld repairs in certain locations and various crack lengths.