Document ID: chunk:federal_register_of_legislation:F2005L02047:body:0:p2
Version: federal_register_of_legislation:F2005L02047
Segment Type: other
Provision Reference: 
Character Range: 5129–6247

AD 2005-13-07 Amendment 39-14143 refers.
Compliance:      1. Within 100 hours time- in-service (TIS) after the effective date of this Directive.

                 2. At the next Major Periodic Inspection (MPI) or next access to the turbine discs after the effective date of this Directive, but within 2,200 hours TIS since the last disc inspection, whichever occurs first.

                 3. At the next MPI or next access to the turbine discs after the effective date of this Directive, but within 1,500 hours TIS since the last disc inspection, whichever occurs first.

                 4. After the effective date of this Directive.
              This Airworthiness Directive becomes effective on 1 September 2005.
Background:   This Directive results from a report of an uncontained failure of an LP 2nd stage turbine rotor disc that resulted in an in-flight engine shutdown.  This Directive is intended to prevent LP turbine rotor disk separation, which could result in an uncontained engine failure and damage to the aeroplane.

David Villiers
Delegate of the Civil Aviation Safety Authority

22 July 2005