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
Sikorsky S-76 Series Helicopters
AD Name AD Number
Fuselage Tail Cone Inspections AD/S-76/1 Amdt 2
Engine Oil Filler Service Door - Modification AD/S-76/2
Engine Air Inlet Cowl and Aft Cowl Assemblies - Modification AD/S-76/3 Amdt 1
Main Rotor Hub - Inspection - CANCELLED AD/S-76/4 Amdt 1
Power Plant Forward Tripod Support - Inspection - CANCELLED AD/S-76/5
Hydraulic Pumps - Replacement AD/S-76/6
Main Transmission Support Structure Fitting Assemblies - Inspection - AD/S-76/7 Amdt 1
Retirement Lives AD/S-76/8 Amdt 11
Cyclic Torque Tube - Inspection of Centre Support Bearing Housing AD/S-76/9
MGB Tip Plate Assembly Retention Bolts - CANCELLED AD/S-76/10
Main Rotor Spindle Assembly - Inspection and Modification - CANCELLED AD/S-76/11 Amdt 1
Upper Deck Flight Controls Installation - Modification AD/S-76/12
Tail Rotor Outboard Retaining Plate Bolts - Inspection AD/S-76/13
Fuselage Bulkhead - Engine Support Fitting Area - Inspection and Modification AD/S-76/14
Main Rotor Damper Piston Rod - Inspection - CANCELLED AD/S-76/15
Main Rotor Blade Root End - Inspection for Fatigue Cracking AD/S-76/16 Amdt 2
Main Rotor Blade Spindle - Inspection and Replacement - CANCELLED AD/S-76/17 Amdt 1
Pilot and Co-Pilot Seats, Support Frames - Inspection AD/S-76/18
Main Rotor Blade - Tip Plate Assembly Retention Bolts - Inspection and AD/S-76/19
Power Plant Mounting Supports - Inspection and Modification AD/S-76/20
Main Gear Box Assembly - Shaft and Spur Pinion Inspection and Retirement AD/S-76/21 Amdt 1
Main Rotor Control Servo Actuators - Inspection for Balance Tube Passage AD/S-76/22
Main Rotor Servo Actuators Internal Leakage Checks - CANCELLED AD/S-76/23
Rotor Brake Installation - Modification AD/S-76/24
MLG Positioning Rod and Lower Drag Race Rod End Assemblies AD/S-76/25 Amdt 1
Vertical Stabiliser Pylon Leading Edge Skin AD/S-76/26 Amdt 1
Main Rotor Blade Spar Tip End - Inspection AD/S-76/27
Utility Hoist - Inspection AD/S-76/28
Vertical Pylon Forward Spar AD/S-76/29 Amdt 4
Tail Rotor Blade Elliptical Centering Plug and Retaining Pad AD/S-76/30 Amdt 1
Upper Fuselage Station 215 Bulkhead AD/S-76/31 Amdt 1
Tail Rotor Gearbox - Pitch Change Shaft - CANCELLED AD/S-76/32
Engine Containment Kit and Compartment Protection Shield - CANCELLED AD/S-76/33
Electrical Power - Essential Bus Modification AD/S-76/34
Tail Rotor Controls Centering Quadrant - Modification AD/S-76/35
Fuselage - Engine Compartment Centre Firewall - Inspection of No. 1 Tail Drive AD/S-76/36
Engine Fire Extinguisher Harness - Modification AD/S-76/37
Main Rotor Gear Box No. 1 and No. 2 Input Bevel Pinion Housing Assemblies - AD/S-76/38
Main Rotor Blade Tip Block and Tip End Assemblies - Inspection and AD/S-76/39 Amdt 1
Power Train Tail Drive Shaft Bearing Support Assembly AD/S-76/40
Emergency Flotation System AD/S-76/41
Upper Fuselage, Station 300 AD/S-76/42
Tail Rotor Servo Actuator Linkage AD/S-76/43
Tail Rotor Blade Disbonding - CANCELLED AD/S-76/44
Main Rotor Servo Actuator Assemblies - CANCELLED AD/S-76/45
Electrical DC Power System AD/S-76/46
Engine and Engine Compartment Drain Lines AD/S-76/47
Main Gearbox Lower Housing Jet Port Liners AD/S-76/48
Main Rotor Servo Actuators - CANCELLED AD/S-76/49
Main Rotor Servo Actuators - CANCELLED AD/S-76/50
Main Rotor Servo Actuator Assemblies - CANCELLED AD/S-76/51 Amdt 1
Power Turbine Speed Trim Control Actuators AD/S-76/52
Doors - Window Frame AD/S-76/53
Main Gearbox Tail Takeoff Flange Locknut AD/S-76/54
Retention Bolt for Stationary Swashplate Expandable Pin AD/S-76/55 Amdt 1
Vertical Pylon Forward Spar Cap Angles - CANCELLED AD/S-76/56
Not Issued AD/S-76/57
Tail Gearbox Output Shaft AD/S-76/58
Tail Rotor Control Rod - Rod Ends AD/S-76/59 Amdt 1
Swashplate Assembly Uniball Bearing Retainer AD/S-76/60
AC Generator Interlock System AD/S-76/61
Tail Gearbox Forward Fairing to Pylon Attachment Angle AD/S-76/62
Main Rotor Blade Root and Pocket Separation AD/S-76/63
ro Aire Air Conditioning System AD/S-76/64
Main Rotor Shaft AD/S-76/65 Amdt 4
Main Landing Gear Positioning Rod Assembly AD/S-76/66
Attitude and Heading Reference Warning AD/S-76/67
Landing Gear Parts Life Limit AD/S-76/68
Main Rotor Blade Lightning Strike Damage AD/S-76/69
Main Rotor Spindle Attachment Bolt AD/S-76/70
Rotor Brake Disc AD/S-76/71
Main Landing Gear Brake Discs - Replacement AD/S-76/72
Dual Inverter Wiring AD/S-76/73