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