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 Canada (BHTC) 407 Series Helicopters
AD Name AD Number
Never Exceed Speed Reduction AD/BELL 407/1 Amdt 5
Warning Horns AD/BELL 407/2
Thomas Coupling Pack - Cracked Discs - Inspection - CANCELLED AD/BELL 407/3
Gearbox Barrier Tape Replacement - CANCELLED AD/BELL 407/4
Hydraulic Relief Valve Replacement AD/BELL 407/5
Engine to Transmission Driveshaft Replacement AD/BELL 407/6
Tail Rotor Hanger Bearing Support Inspection AD/BELL 407/7
Airworthiness Limitations - CANCELLED AD/BELL 407/8
Tailboom Skin AD/BELL 407/9 Amdt 2
Oil Cooler Blower Assembly - Bearing Change - CANCELLED AD/BELL 407/10
Door Locking Mechanism AD/BELL 407/11
Crew Seat Belt and Restraint Assembly AD/BELL 407/12
Oil Cooler Driveshaft Bearings Check - CANCELLED AD/BELL 407/13
Horizontal Stabiliser Slat AD/BELL 407/14 Amdt 1
Engine to Transmission Shaft AD/BELL 407/15 Amdt 1
Fuel Filler Cap Electrical Bonding AD/BELL 407/16
Forward Bearing Hanger Support AD/BELL 407/17
Fuel Line AD/BELL 407/18
Tail Rotor Gearbox AD/BELL 407/19
Tailboom Tail Rotor Gearbox Support Casting AD/BELL 407/20 Amdt 1
Tail Rotor Drive Shaft Bearings - CANCELLED AD/BELL 407/21 Amdt 2
Rescue Hoist AD/BELL 407/22
Swashplate Drive Link AD/BELL 407/23
Tail Rotor Gearbox AD/BELL 407/24
Tail Rotor Drive Shaft Bearings AD/BELL 407/25 Amdt 1
Landing Gear Cross Tubes AD/BELL 407/26
Power Turbine RPM Steady State Operation Avoidance AD/BELL 407/27
Freewheel Aft Bearing Cap AD/BELL 407/28