Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bell Helicopter Textron 412 Series Helicopters
AD/BELL 412/4 Amdt 1
Main Rotor Yoke - Inspection, Retirement and Modification
2/83
Applicability: As specified in requirement documents.
Document: Bell Alert Service Bulletin No. 412-82-6; and Bell Alert Service Bulletin No. 412-82-8; and Bell Alert Service Bulletin No. 412-82-9.
Compliance: As specified in requirement documents.
Background: This Directive follows action recommended by the manufacturer relating to cracking of the main rotor titanium yoke.
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