Document ID: chunk:federal_register_of_legislation:F2006B02432:body:0
Version: federal_register_of_legislation:F2006B02432
Segment Type: other
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Auxiliary Power Units

AD/APU/14 TSCP700 First Stage LPC Disc 3/98

            Applicability: AlliedSignal Inc. TSCP700 series auxiliary power units (APUs) incorporating stage one low pressure compressor (LPC1) disc, P/No 3606429-1.

            Requirement: Remove from service affected TSCP700 LPC1 discs in accordance with AlliedSignal Service Bulletin TSCP700-49-7266.

            Note: FAA AD 97-19-18 also refers

            Compliance: As specified in the requirement document, with a revised effective date of 26 February 1998.

            This airworthiness directive becomes effective 26 February 1998.

 Background: The manufacturer has advised there has been LPC1 disc rim separation events.
            Subsequent investigation has resulted in a reduction in the LPC1 life limit.