AD/BELL 412/20 - Bolts P/N AN4-5A - Pylon Support
1AD/BELL 412/20 - Bolts P/N AN4-5A - Pylon Support
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Bell Helicopter Textron 412 Series Helicopters
AD/BELL 412/20 Bolts P/N AN4-5A - Pylon Support 11/88
Applicability: All model 412 helicopters S/N 33001 through 33171. Requirement: Action in accordance with Bell Helicopter Alert SB 412-88-38.
Compliance: At the next scheduled inspection for Maintenance Release after 3 November 1988.
Background: It has been determined that some model 412 helicopters were delivered with 8 bolts missing from the pylon support installation.