Commonwealth legislation

AD/A109/6 - Swashplate Bearing

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD mandates scheduled maintenance and inspections of the swashplate bearing on Agusta A109A and A109AII helicopters per Agusta B.T. No. 109-56, with firm initial and recurring time windows. Issued after evidence of overheating, lack of grease and corrosion, it affects owners/operators and maintenance providers, who must comply within the stated intervals and bear the associated costs, parts and downtime.

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AD/A109/6 - Swashplate Bearing

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Agusta A109 Series Helicopters

AD/A109/6 Swashplate Bearing 9/86

Applicability: All models A109A and A109AII.

Requirement: Action in accordance with Agusta B.T. No. 109-56. Compliance: Part I of the Requirement Document:

Within 50 hours’ time in service after 30 September 1986 and thereafter at intervals not exceeding 50 hours’ time in service.

Part II of the Requirement Document:

For aircraft with more than 600 hours total time in service as at 30 September 1986. Within 100 hours’ time in service after 30 September 1986 or before

30 November 1986 whichever occurs first. Thereafter at intervals not exceeding 600 hours’ time in service or 2 years whichever occurs first.

Background: Investigation after roughness in operation of swashplate has revealed evidence of overheating, lack of grease and corrosion traces.

Source text

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

1 AD/A109/6 - Swashplate Bearing