Document ID: chunk:federal_register_of_legislation:F2006B09039:body:0
Version: federal_register_of_legislation:F2006B09039
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 DHC-2 (Beaver) Series Aeroplanes

AD/DHC-2/21 Flight Controls, Elevator Root Rib - Inspection 10/80

 Applicability: All Model DHC-2 Mk. I, Mk. II and Mk. III. Document:  De Havilland Aircraft of Canada SB No. 2/30.
            Compliance: Within 100 hours time in service after 31 December 1980 and thereafter at intervals not exceeding 400 hours time in service.

            Background: Cracking of the elevator root rib at the torque tube attachment and cracking of the reinforcing doubler in the same area has been reported to the manufacturer.