Document ID: chunk:federal_register_of_legislation:F2006B08685:body:0:p2
Version: federal_register_of_legislation:F2006B08685
Segment Type: other
Provision Reference: 
Character Range: 2800–3834

CT7 Series

 AD/CT7/10 Amdt 2 (continued)

            Background: This AD is prompted by an on-going investigation that concluded that low-time PGB removals are due to accelerated wear of the PGB idler gears, rather than improperly hardened PGB input pinions. The actions specified in this AD are intended to prevent separation of the PGB left and right-hand idler gears, which could result in uncontained PGB failure and internal bulkhead damage, possibly prohibiting the auxiliary feathering system from fully feathering the propeller on certain PGB's.

            Amendment 1 clarified the applicability and, for administrative reasons, brought forward the effective date by one day.

            This amendment includes additional PGB and PGB gears as detailed in the reference documents. There are no changes to the inspection requirements.

 James Coyne
 Delegate of the Civil Aviation Safety Authority 28 May 2004

 The above AD is notified in the Commonwealth of Australia Gazette on 16 June 2004.