Airworthiness Directives 2004 - Revocation and Remaking - Bell Helicopter Textron 412 Series Helicopters (Cth)

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

Bell Helicopter Textron 412 Series Helicopters

AD Name  AD Number

Engine Mount Fireshield - Installation  AD/BELL 412/1

Retirement Lives - Fatigue Critical Components  AD/BELL 412/2 Amdt 1

Main Rotor Yoke - Inspection - CANCELLED  AD/BELL 412/3

Main Rotor Yoke - Inspection, Retirement and Modification  AD/BELL 412/4 Amdt 1

Engine Fuel Switch - Inspection/Replacement  AD/BELL 412/5 Amdt 1

Main Rotor Pitch Link Assemblies - Replacement  AD/BELL 412/6

Airspeed and Ground Operation Restriction  AD/BELL 412/7 Amdt 1

Installation of Main Rotor Droop Restraint Kit and Cyclic Stick Centring        AD/BELL 412/8

Main Rotor Blade Pitch Horns - Inspection  AD/BELL 412/9 Amdt 1

Upper Anti-Collision Strobe Light P/No HR, DF-28DRMS Inspection,              AD/BELL 412/10

Main Rotor Yoke, P/N 412-010-101-123 - Inspection  AD/BELL 412/11

Vertical Fin Forward Spar  AD/BELL 412/12 Amdt 5

Tail Rotor Trunnion Bearing Housing  AD/BELL 412/13

Emergency Flotation System and Squib Valve  AD/BELL 412/14 Amdt 1

Battery Cable Installation  AD/BELL 412/15

Vertical Fin Spar Cap - CANCELLED  AD/BELL 412/16

AM-SAFE Harness Buckle Assemblies  AD/BELL 412/17

Engine Fuel Valve Electrical Connectors P/No MS3456W14S-5S  AD/BELL 412/18

Emergency DC Bus Number One Feeder Circuit  AD/BELL 412/19

Bolts P/N AN4-5A - Pylon Support  AD/BELL 412/20

Fuel Cell Interconnect Tube  AD/BELL 412/21

Main Transmission Spiral Bevel Gear  AD/BELL 412/22

Electrical Wiring Harnesses  AD/BELL 412/23

Main Rotor Pitch Link to Pitch Horn Bolt  AD/BELL 412/24

Main Rotor Flight Control System Bolts  AD/BELL 412/25

Bogus Pressure Gauge Emergency Floats P/N 212-073-905-1  AD/BELL 412/26

Tailboom Upper Longeron  AD/BELL 412/27

Lower Planetary Spider Gear - CANCELLED  AD/BELL 412/28

Tail Rotor Driveshaft Hangar Bearings  AD/BELL 412/29

Swashplate Support Assembly  AD/BELL 412/30

Fin to Tail Boom Junction  AD/BELL 412/31

Main Driveshaft and Tail Rotor Drive Over-Temperature Indicators                 AD/BELL 412/32

Main Transmission Lower Planetary Spider  AD/BELL 412/33

Swashplate Support  AD/BELL 412/34

Tail Boom Doubler and Fin Spar Caps  AD/BELL 412/35

Main Rotor Mast  AD/BELL 412/36

Internal Hoist  AD/BELL 412/37

Hydraulic Servo Actuator Shoulder Bolt  AD/BELL 412/38

Tail Rotor Yoke and Tail Rotor Flapping Stop/Indicator  AD/BELL 412/39 Amdt 1

Main Rotor Yoke  AD/BELL 412/40

Tailboom Attachment Cap Angle  AD/BELL 412/41

Main Hydraulic Servo Actuator Rod End Lock Washer  AD/BELL 412/42

Tail Rotor Counterweight Bellcrank Retention Nut  AD/BELL 412/43

Tail Rotor Blade Fwd Tip Weight Retention Block and Aft Tip Closure            AD/BELL 412/44