Airworthiness Directives 2004 - Revocation and Remaking - Enstrom F-28 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

Enstrom F-28 Series Helicopters

AD Name  AD Number

Retirement Life - Critical Components  AD/ENST 28/1 Amdt 5

Stabilizer Spar Attachment  AD/ENST 28/2 Amdt 2

Cable Gauge/Circuit Protection Coordination - Modification  AD/ENST 28/3

Main Rotor Spindle - Inspection and Retirement - CANCELLED  AD/ENST 28/4 Amdt 1

Main Rotor Spindle - Inspection and Retirement - CANCELLED  AD/ENST 28/5 Amdt 1

Pre-Certification Requirements - Modifications  AD/ENST 28/6

Main Rotor Transmission Attachment Bolts - Inspection and Replacement     AD/ENST 28/7 Amdt 1

Fuselage Structure - Inspection  AD/ENST 28/8

Main Rotor Mast  AD/ENST 28/9 Amdt 4

Tail Cone Attachment Bolts - Inspection and Replacement  AD/ENST 28/10

Fuel Tank Vent - Modification  AD/ENST 28/11

Tail Rotor Pitch Link Safety Washer - Replacement  AD/ENST 28/12

Main Rotor Hub Retention Lock Washer - Replacement  AD/ENST 28/13

Upper Swashplate Bearing - Inspection and Lubrication  AD/ENST 28/14 Amdt 1

Tail Rotor Spindle and Drive Shaft - Inspection and Retirement  AD/ENST 28/15 Amdt 2

Tail Rotor Pitch Link Retainer and Guide Bolt - Replacement  AD/ENST 28/16

Wide Chord Tail Rotor Counterweights - Modification  AD/ENST 28/17

Alternator Field Cable Protection - Modification  AD/ENST 28/18

Fuel Strainer Drain Valve - Modification  AD/ENST 28/19

Mixture Control System Maintenance Checks and Modification  AD/ENST 28/20

Tail Rotor Blade Grip - Inspection and Modification  AD/ENST 28/21

Main Rotor Transmission Mount Bolts - Inspection  AD/ENST 28/22

RAJAY Turbocharger and Fuel Nozzle Vent Line - Modification  AD/ENST 28/23

Main Rotor Retention Assembly - Inspection  AD/ENST 28/24

Clutch Engagement Over Centre Lock Warning Light  AD/ENST 28/25

Tail Rotor Drive Shaft Couplings  AD/ENST 28/26 Amdt 2

Narrow Chord Tail Rotor Forged Grips - Inspection  AD/ENST 28/27

Clutch Engagement Handle Guard  AD/ENST 28/28

Rotor Head Hub  AD/ENST 28/29

Tail Rotor Spindle  AD/ENST 28/30 Amdt 2

Main Rotor Transmission Clutch Assembly  AD/ENST 28/31

Tail Rotor Gearbox  AD/ENST 28/32 Amdt 1

Tail Rotor Drive Flexible Couplings  AD/ENST 28/33

Main Rotor Shaft  AD/ENST 28/34

Inadvertent Trim Motor Operation  AD/ENST 28/35

Lamiflex Bearings  AD/ENST 28/36

Voltage Regulator  AD/ENST 28/37

Main Rotor Hub Plates  AD/ENST 28/38