Document ID: chunk:federal_register_of_legislation:F2006B04586:body:0
Version: federal_register_of_legislation:F2006B04586
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
    SCHEDULE OF AIRWORTHINESS DIRECTIVES

    Bell Helicopter Textron 212 Series Helicopters

AD/BELL 212/54 Main Transmission Lower Planetary Spider 2/95

               Applicability: All Bell Helicopter Textron 212 Series Helicopters with main transmission lower planetary spider P/N 412-040-785-101 installed.

    Requirement: Retire the spider from service.

               Note 1: FAA AD 94-18-09 Amdt 39-9022 and Bell Alert Service Bulletin ASB 212- 93-83 Revision A refer.

               Note 2: The life of Spider P/N 412-040-785-103 is not limited by this AD.

               Compliance: Retire the spiders before 2500 hours time in service or within 100 hours time in service after 2 February 1995, whichever is the later.

               Background: Five failures of the main transmission lower planetary spider have been experienced during the manufacturer's fatigue tests. Accordingly a fatigue life has been established to prevent in service failures.
 COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES