Document ID: chunk:federal_register_of_legislation:F2006B02115:body:0
Version: federal_register_of_legislation:F2006B02115
Segment Type: other
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Character Range: 0–1492

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes

 AD/AC/56
 Amdt 3

 Elevator Control System Bob Weight Installation - Inspection and Modification

 3/82

 Applicability: Models 500, 500A, 500B, 500S, 500U, 520, 560, 560A, 560E, 560F, 680, 680E,
            680F, 680F(P) and 720, S/Nos. 1 to 3323 except those aircraft which have complied with Rockwell International Service Bulletins No. 129 Rev. 4 and No. 136 Rev. 3 dated 26 January 1981 as applicable.

 Document: Gulfstream American Service Information No. SI-176.

            Note: Rockwell International SB 179 and FAA AD 75-12-09 Amendment 39-4246 refer.

              Compliance: 1. Unless already accomplished, initially inspect within the next 25 hours' time in service after 8 February 1982, and thereafter at intervals not exceeding 60 hours time in service until modified.

            2. Modify within 500 hours' time in service after 8 February, 1982.

            Note: Aircraft certified to comply with AD/AC/56B and AD/AC/58B are deemed to comply with this Directive.

            Background: Cracks have been found in the bob weight side supports of six overseas registered aeroplanes. Effectivity has been extended by aircraft serial number and the requirements of AD/AC/56B and AD/AC/58B have been consolidated into this AD.