Document ID: chunk:federal_register_of_legislation:F2006B09890:body:0
Version: federal_register_of_legislation:F2006B09890
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Fokker F50 (F27 Mk 50) Series Aeroplanes

AD/F50/61 Aileron Trim Screwjack Capscrews 8/93

            Applicability: Model F27 Mk 050, all serial numbers, if equipped with Morse Controls Ltd. Aileron Trim Screwjacks, P/N 189255, serial numbers 53/88 through 112/90.

 Requirement: Action in accordance with the technical requirements of RLD AD 93-066 (A).

            Note: Fokker SB F50-27-038 and Morse Controls Ltd SB 27-10-189255-A Issue 1 refer.

 Compliance: As specified in the Requirement Document.

            Background: A number of failed capscrews have been detected during a shop inspection. Subsequent investigation showed that these failures were due to an incorrect treatment. Failure of all capscrews could result in uncontrolled movement of the trim/balance tab, i.e. flutter.