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
Propellers - Variable Pitch - Dowty Rotol
AD Name AD Number
Pitch Lock Cylinder - Modification AD/PR/1
Propeller Blade - Rework AD/PR/2 Amdt 1
Pitch Lock Support Sleeve - Modification AD/PR/3
Application of Pre-Primer to Propeller Blades AD/PR/4
Propeller Cylinder - Inspection - CANCELLED AD/PR/5 Amdt 2
Retirement Lives of Components AD/PR/6 Amdt 12
Operating Cylinder - Replacement AD/PR/7
Hub Driving Centre - Modification AD/PR/8
Hub Driving Centre - Inspection AD/PR/9
Blade Retaining Bolts - Inspection - CANCELLED AD/PR/10
Blade Operating Pin - Inspection for Cracking AD/PR/11 Amdt 1
Blade Eyebolt and Operating Link Group - Inspection and/or Rework AD/PR/12
Pitch Lock Assembly - Modification AD/PR/13
Blade Retaining Bolt Locking Segment - Replacement AD/PR/14
Blade Bearings - Overhaul Procedures AD/PR/15
Inspection of Hub Driving Centres for Incorrect Machining During Modification AD/PR/16 Amdt 1
Hub Driving Centre Flange - Inspection AD/PR/17
Hub and Driving Centre Assembly - Inspection of Cadmium Plating AD/PR/18
Propeller Blade Corrosion - Inspection and Repair AD/PR/19 Amdt 1
Hub Front Face to Snout Radius - Inspection AD/PR/20
Hub Assembly - Inspection of Blade Sockets AD/PR/21
Pitch Lock Cylinder and Support Sleeves - Inspection AD/PR/22
Feathering Springs - Operational Inspection AD/PR/23
Beta Tube AD/PR/24 Amdt 6
Hub Wall Cracking AD/PR/25 Amdt 9
Front Wall/Snout Radius Cracking AD/PR/26 Amdt 1
Beta Tube AD/PR/27 Amdt 1
Hub Switches AD/PR/28 Amdt 1
Operating Cylinder Retaining Bolts AD/PR/29 Amdt 5
Hub Mounting Face Dowel Inspection Following Propeller Overtorque - AD/PR/30
Propeller Blade Bearings - CANCELLED AD/PR/31
Blade Pitch Seizure AD/PR/32
Hub Assembly AD/PR/33 Amdt 2
Hub Through Bolts AD/PR/34 Amdt 1
Propeller Hub Wall Cracking AD/PR/35 Amdt 2