1Airworthiness Directives 2004 - Revocation and Remaking - Enstrom F-28 Series Helicopters

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.

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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