Commonwealth legislation

AD/BELL 412/30 - Swashplate Support Assembly

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

The Civil Aviation Safety Authority mandates that Bell 412 helicopters fitted with Swashplate Support Assembly P/N 412-010-453-101 comply with manufacturer Alert Service Bulletins ASB 412-92-57 Rev A and ASB 412-92-58 to address reported cracking. Operators must perform daily Part I inspections and meet short deadlines (Part II within 10 hours TIS; ASB 412-92-58 actions before further flight), bearing the cost and operational disruption and relying on manufacturer procedures and qualified maintenance personnel.

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AD/BELL 412/30 - Swashplate Support Assembly

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Bell Helicopter Textron 412 Series Helicopters

AD/BELL 412/30 Swashplate Support Assembly 4/92

Applicability: All model 412 helicopters if fitted with Swashplate Support Assembly P/N 412-010- 453-101.

Requirement: Action in accordance with Bell Alert Service Bulletin 412-92-57 Rev A and 412-92- 58.

Compliance: 1. For compliance with ASB 412-97-57 Rev A,

Part I Daily after receipt of this Directive, and

Part II Within 10 hours time in service after 10 February 1992; and

For compliance with ASB 412-92-58, before further flight after receipt of this directive.

Background: The manufacturer has received reports of cracking in the stainless steel Swashplate Support Assembly.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.