Document ID: chunk:federal_register_of_legislation:F2006B02443:body:0
Version: federal_register_of_legislation:F2006B02443
Segment Type: other
Provision Reference: 
Character Range: 0–1076

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Turbomeca Turbine Engines - Arriel Series

AD/ARRIEL/11 Gas Generator Rear Bearing Chip Detector 5/99

 Applicability: All Arriel 1 series engines.

            Requirement: Install Turbomeca Modification TU 208 in accordance with Turbomeca Service Bulletin No. 292 72 0163 Updating 1.

            Note: DGAC Airworthiness Directive 98-394(A) refers.

            Compliance: At next engine shop visit, regardless of the purpose of the visit, or prior to 31 December 1999, whichever occurs first.

            This Airworthiness Directive becomes effective on 20 May 1999.

            Background:  This directive has been issued to add a gas generator rear bearing chip detector to the main chip detector warning system. The requirement follows reports of 6 gas generator rear bearing rupture events. The additional chip detector will provide the pilot with an in-flight warning of rear bearing chip detector contamination.