Document ID: chunk:federal_register_of_legislation:F2006B11269:body:0
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
    SCHEDULE OF AIRWORTHINESS DIRECTIVES

    Aero Resources J2 Series Gyroplanes

AD/MCH/2 Critical Components - Retirement Life 8/73

    Applicability: All model J2.

               Requirement: The following components shall be retired from service at or before the times shown below:

Retirement Hours

Component                               Part Number      Max. Wt. 1500 lb.   Max. Wt 1600 lb.
Blade Assy Main Rotor                   1500             1220                978*
Tail Boom Assy RH                       2100             11750               11750
Tail Boom Assy LH                       2125             11750               11750
Trunnion Horizontal Stabilizer          2604             75800               75800
Controlex Assy Rudder                   2717             300                 300
Cable Assy Cyclic Control - Roll        2712             21000               1000
Cable Assy Cyclic Control - Pitch       27401            1000                1000
Bellcrank - Collective Control          2765             20600               20600
Control Rod Assembly - Collective       2777             37400               37400
Front Spar Assy - Wing                  2801             39300               15347*
Shaft Assy - Pitch Bearing              6505             5110                2250*
Thrust Bearing                          MRC210-SZZ-T12   300                 300
Tube Assy 'A' Frame 'U' Frame Assy LH   2381             1670                1670
Tube Assy 'A' Frame 'U' Frame Assy RH   2382             1670                1670
Stub Shaft                              6638             1438                1438

               When the maximum weight is increased from 1500 lb. to 1600 lb. the service life limit may be prorated in the following manner:

                       D = A+C - C B
 COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

           where 'A' is the actual hours on the component prior to modification. 'B' is the service life limit for the component at 1500 lb. GW.
           'C' is the service life limit for the component at 1600 lb. GW.

           'D' is the revised total prorated service life limit for the component (including the time prior to modification).

           Effective: 28 September 1973.