Airworthiness Directives 2004
I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety
Authority, acting under subregulation 39.001 (1) of the Civil
Aviation Safety Regulations 1998:
(a) revoke the Airworthiness Directives mentioned in
Schedule 1; and
(b) make, as separate instruments, each Airworthiness
Directive mentioned in Schedule 1 and attached.
David Villiers
Delegate of the Civil Aviation Safety Authority
20 December 2004
Note: Each attached Airworthiness Directive is being re-made in exactly the
same form as appears in the latest published edition of the Directive.
Schedule 1 Revocation and Remaking of
Airworthiness Directives
AlliedSignal (Lycoming) Turbine Engines - ALF502 and LF507 Series
AD Name AD Number
Rotating Components - Service Life Limits - CANCELLED AD/ALF/1
Time Limits - Components Service Life Limits - CANCELLED AD/ALF/2 Amdt 4
Compressor Housing Support Assembly 2-103-070-07 - Inspection and AD/ALF/3
Compressor Vanes, Turbine Blades and Turbine Nozzle - Inspection and AD/ALF/4
Fourth Stage Turbine Rotors Assembly P/N 2-141-170-23 and -27 - AD/ALF/5
Replacement of Fuel By-Pass Valve In Dual Heat Exchanger AD/ALF/6
Oil System Debris Management AD/ALF/7
Introduction of Turbine Spacers P/N 2-121-071-31/35 AD/ALF/8 Amdt 1
Third Stage Turbine Rotor Assembly AD/ALF/9 Amdt 1
Third Stage Turbine Rotor Assembly AD/ALF/10
Third Stage Compressor Disc AD/ALF/11 Amdt 1
Introduction of Improved Third Stage Turbine Rotor Assembly AD/ALF/12
Third Stage Compressor Disc Inspection AD/ALF/13
Engine Oil System Health Monitoring AD/ALF/14 Amdt 3
Fuel Manifold Inspections AD/ALF/15
Fan Core Inlet Anti-Ice System AD/ALF/16 Amdt 1
No. 4 and 5 Duplex Bearing Assembly AD/ALF/17
Turbine Component Life Limits AD/ALF/18
Combustion Liner - Inspection AD/ALF/19
Flow Divider Fuel Tube - Inspection AD/ALF/20